Sweden MFA: Deeply concerning escalation by Russia in Kerch Strait. Russia must stop its provocative behaviour and allow for maritime transport in accordance with international law. Welcome discussion in UNSC on how to avoid further escalation.

Ukraine demands Russia immediately releases seized UA vessels and captured sailors. Intl community should take unanimous action on RU's violation UN Convention of the Law of Sea UNCLOS. We protest description of Kerch Strait as "RU strait".UA and RU both exercise coastal State rights there

Kharkiv: near the consulate of the Russian Federation protesters demand to release POWs

Dalia Grybauskaitė: Strongly condemn Russian aggression against Ukraine. Capture of Ukrainian vessels in #KerchStrait - another blatant violation of international law and Russia's own commitments.

Ukrainian President Poroshenko urges Russia to release Ukrainian sailors and bring back ships immediately https://t.co/0kJ8JmUpyl —

Russian Air Force Tu-154M "Open Skies" Surveillance Aircraft RF-85655 Just above the Kerch Strait

Photo: Tugboat Yani Kipu A947 and 2 armored boats of Ukrainian Navy, seized by Russian FSB at Kerch Port

Photo: Ukrainian boats at Kerch port

Seized Ukrainian boats were moved to Kerch https://t.co/OmpDqsUNLR —

Australia is concerned at developments in the Sea of Azov. We fully support Ukraine's sovereignty and territorial integrity and call on Russia to restore navigation rights at the Kerch Strait

Russia has reopened Kerch strait for traffic

General Staff of Ukraine: all armed forces units are on combat alert following decision of NSDC

Haley: UN Security Council to hold emergency meeting on Ukraine-Russia tensions

Joint Forces Operation Press Center: yesterday Russian forces opened fire 16 times. 2 Ukrainian soldiers were wounded

US Air Force RQ-4A Global Hawk UAV

Private aircraft of Ukrainian Tycoon Medvedchuk Dassault Falcon 900EX P4-GEM

Canada condemns Russian aggression towards Ukraine in the Kerch Strait. Call on Russia to immediately de-escalate, release the captured vessels, and allow for freedom of passage. Canada is unwavering in its support for Ukraine's sovereignty.

Russia called an urgent meeting of the UN's Security Council @UNSC_Reports to discuss the situation in the Sea of Azov, involving Ukraine

FSB: Ukrainian ships are being towed to Kerch port

Ukrainian Interior Minister @AvakovArsen has put the State Border Guard Service, National Guard, National Police and State Emergencies Service on high alert.

Head of Ukrainian Parliament calls for Emergency meeting at 4pm Monday(in 15 hours)

Tensions at Russian Embassy in Kyiv, about 300 protesters now https://t.co/Nn1lgtlVWB —

NSDC proposing to impose martial law for 60 days

President at NSDC: I have to support the decision to impose "state of war", urging MPs of Rada to gather tomorrow vote for the decision

Chief of staff Muzhenko at NSDC: we have no information on fate of boats and sailors. Total: 23 were on missions. 6 wounded, 2 badly wounded

Radio talks between Russian border guard ships and Ukrainian naval vessels after firing at the Black Sea near Kerch Strait

Near Russian Embassy protesters attempting to light the tires, police extinguishing

Poland has strongly condemned Russia's aggressive actions against Ukrainian Navy

FM Klimkin: President Poroshenko to have talks with heads of international organizations to build a coalition against Russian aggression

Smoke bombs deployed by protesters at Russian Embassy in Kyiv https://t.co/FPD22deAyv —

Russian embassy in Kyiv now: tires and paper boats

Photo: a bottle in the protest at Russian General consulate in Kharkiv

Russia's Federal Security Service says it has impounded 3 Ukrainian naval ships after they illegally crossed the Russian border. Says 3 Ukrainian soldiers were wounded in the incident and are getting medical treatment.

Turchinov: we heard reports on incident and have concluded that it was an act of war by Russian Federation against Ukraine

Turchynov: we are convening NSDC to declare "state of war"

Exact place of military engagement between Ukrainian and Russian boats

Ukrainian NSDC secretary Turchynov and President Poroshenko to make statements soon after military cabinet

NATO is closely monitoring developments in the Azov Sea and Kerch Strait, and in contact with the Ukrainian authorities. NATO call for restraint and de-escalation.

NATO calls for restraint and de escalation as tensions rise between Russia and Ukraine in Azov Sea

Russian media claims that there were artillery attack of Ukrainian military on Donetsk, but complete silence at the frontline

People start to gather near Russian Embassy in Kyiv

Protesters brought tires to the Russian Embassy in Kyiv

6 Ukrainian sailors wounded, Berdyansk and Yani Kapu seized, Nikopol is blocked(not seized) but following(being tugged) by Russian FSB boats

While blocking the Kerch Strait, Russia is letting its own ships sail under the bridge. The anti-pollution ship Pingvin just sailed under

EU statement on Azov Sea: We expect Russia to restore freedom of passage at the Kerch Strait and urge all to act with utmost restraint to de-escalate the situation immediately.

Russian FSB says that ships that has left Berdyansk are returning back safely (and FSB fired on ships that were coming from Odesa to Berdyansk, and have not passed the Kerch strait)

Units of Ukrainian military in Odesa region put on battle alert

Ukrainian Navy: both armored boats damaged and lost engines. SOF of Russian Federation seized all 3 vessels. 2 wounded sailors

Ukrainian President Poroshenko has convened military cabinet

Video of attack of Russian border guards on Ukrainian tugboat

Gyurza-M class artillery boat U175 Berdyansk is damaged, lost engine, one wounded. Ukrainian Navy responding with deadly fire to protect itself

Russia is attempting to seize Ukrainian Navy boats at this moment

Representative of Ukrainian President in Crimea Borys Babin: after Russia attacked one Ukrainian ship, sailor wounded. Navy is deploying rescue team/reinforcement

FSB video of incident with Ukrainian ships near Kerch Strait https://t.co/y40UheoBAF —

Russian has opened fire on one of Ukrainian boats, at least one sailor wounded

Video from FSB helicopter showing Russian ships harassing Ukrainian boats this morning https://t.co/MRZnm1TX6M —

Photo of vessel that blocked Kerch Strait earlier today

Lithuania MFA Linas Linkevicius: Strongly condemn Russia's move to physically block Kerch Strait and ramming of Ukrainian boat. Cannot be qualified differently than an act of aggression and another blatant violation of international maritime law. Such actions undermine security of the whole region.

7pm update: to avoid further escalation from Russia Ukrainian ships start to move from Kerch strait, but Russians threaten to use weapons if ships won't stop

Blockade at Hoptivka at Russia-Ukraine border

Video: blockade at Krakivets border post

Ukraine asks UNSC to act on recent Russian aggression in Black-Azov Sea

Ukrainian Navy: Russian Navy ship Admiral Zaharin and 2 FSB boats passed under Kerch bridge, other traffic is being blocked

Ship of Interest/Shipping from Crimean ports: A new Syrian flag cargo vessel, General, transits Bosphorus en route from Feodosia to Damietta carrying soda ash with falsified AIS from Samsun. Ship had Cambodian flag when it entered Black Sea but changed to Tanzania and to Syria

President of Latvia Raimonds Vējonis has visited Joint Forces operation area in Eastern Ukraine

Russian special troops prepares for storm Ukrainian warships

Commander of Ukrainian Navy Voronchenko: crews of boats near Kerch strait are on combat alert and ready for possible assault

Ukrainian Ministry of Internal affairs asking drivers that are stuck and not supporting actions of "foreign license plates", not to take action against them

Another video of pair of Su-25 near Kerch Bridge https://t.co/HNVuWflaIu —

Ukrainian Navy boats still waiting for a passage through Kerch Strait

Russia opened passage under Kerch bridge to let it's border guards boats, not Ukrainian, Ukrainian ships are still awaiting

Head of occupation authorities in Crimea: West countries are behind "Ukrainian provocation near Kerch strait"

Video of Su-25 aircrafts over Kerch bridge https://t.co/IuRieEAUEI —

Owners of cars with foreign registration are burning tires at Yahodyn, Volyn region

Ukrainian ships have reportedly passed under Kerch Bridge

Owners of cars with foreign registration has blocked Ustilug, Rava-Ruska, Yahodyn, Maliy Berezny, Shegeni and Krakivets border checkpoints on the Western Ukrainian border

Russia sends Su-25 aircraft to Kerch bridge.

Russian KA-52 helicopters are flying over the Crimea Bridge right now. https://t.co/tVFA4UQRGP —

Video: Kamov Ka-52 Alligator helicopter near Kerch bridge https://t.co/xikJXqUpCT —

Ka-52 combat helicopters are patrolling the area of the Kerch bridge

"Owners of cars with foreign registration" have gathered at Arena L'viv

In addition to #RussianCoastGuard patrol/gunboats, Russia is enforcing its blockade of the Kerch strait with Ka-52 attack helicopters loaded with what looks like extra fuel, rockets and ATGMs.

Photo: Russian RFCGS 354 'Izumrud', a Rubin Class patrol ship, deployed at Kerch bridge has visible damage, reasons not clear

Oppobloc's Boyko: "Opposition Bloc is ready to settle for direct negotiations with Moscow, Donetsk [i.e. "DNR"] and Luhansk [i.e. "LNR"] for the sake of peace"

"Owners of cars with foreign registration" have blocked several roads, including border posts on Ukraine-Poland border

"Sevastopolets-1" floating crane at Kerch bridge

2 Russian RF Ka-52 helicopters "locked" Ukrainian armored boats, boats "locked" them also. Russia blocked Kerch strait with grounded tanker at bridge from Azov Sea side

Russia deployed additional ships to close Kerch Strait

Russia has fully blocked Kerch strait

Ahead of today's incident, Ukrainian Navy says it radioed FSB coast guard post at 3:58am to notify of it of 3 Ukrainian vessels en route to Kerch Strait and Sea of Azov. It got no answer. Second radio call at 4:07am also got no response.

Russian authorities have closed Kerch Strait for all traffic

Russian ships not only rammed Ukrainian tugboat, but blocked all ships of the group - Presidental representative in Crimea Boris Babin

FSB reports that Ukrainian Navy reinforcement is heading to the area of incident with Russian border guards

Ukraine's @MFA_Ukraine confirms Russian warships unlawfully applied force to repel Ukrainian ships in the Azov sea; says will engage full international legal and diplomatic response

Judging from the ratio of anchored and underway vessels at @MarineTraffic at the Kerch strait is closed for non-Russian traffic.

Ukrainian ships expected to enter Kerch strait at noon Kyiv time

Images of incident with Ukrainian Navy and Russian border guard boats

Navy tugboat Yani Kipi vs Russian coast guard ship project 745P Don in Kerch strait

NATO E3 Sentry AWACS LX-N90453 NATO07

According to Russian border guards (FSB), Ukrainian ships continue their way on the Kerch strait

Ukrainian SOF has cleared Rozsadky village at Svitlodars'k bulge

Russian border guards boats Sobol, Don, Mangust, Suzdalets attacked Ukrainian tug and 2 small artillery boats during passage to Azov Sea through Kerch strait. Don rammed a tugboat, it is badly damaged