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Local sources claim over 20 missiles landed in and around the base. Meanwhile, residents in Lebanon reported seeing fighter jets flying overhead. Speculation is rising of a foreign attack against the Syrian regime - possibly the US or France - just a day after a chemical attack. The reports come after US President Donald Trump and French President Emmanuel Macron vowed a "Strong" and "joint response" after the suspected chemical attack in the Syrian rebel-held town of Douma.

TWITTER Syria airstrike: The strikes come following an alleged chemical weapons attack

Reports are not confirmed so far, but video has emerged showing an unknown object flying across the sky in Lebanon. One Twitter user said: “We're already under attack at this very moment!” Another said: “USA launches widespread assault on SyAF infrastructure. Warships are now positioning to launch tomahawks in the second wave of attacks.” At least 12 Syrian troops are said to have been killed in the attack and 30 injured.

There are also reports that US warships from the Mediterranean are launching Tomahawk missiles into Syria. But there is conflicting news as the Pentagon said there is "no truth" of a US attack. There is speculation that the attack was carried out by Israeli forces, using a Dolphin Class submarine, according to local sources. It happened roughly at 3.30am local time (1.30am GMT) on Monday.

GETTY Syria airstrike: Video shows an unidentified object flying over Lebanon

State media confirmed strikes on the airbase and there are reports that the Syrian air defence intercepted "eight missiles". The strikes are targeted at T4 airbase in Homs, near Palmyra. The T4 airbase is an Iranian outpost in central Syria, part of the corridor from Syria to Iraq. President Trump said Syria's President Assad is an "animal" and had a "big price to pay".

Many dead, including women and children, in mindless CHEMICAL attack in Syria. Area of atrocity is in lockdown and encircled by Syrian Army, making it completely inaccessible to outside world. President Putin, Russia and Iran are responsible for backing Animal Assad. Big price... — Donald J. Trump (@realDonaldTrump) 8 April 2018

....to pay. Open area immediately for medical help and verification. Another humanitarian disaster for no reason whatsoever. SICK! — Donald J. Trump (@realDonaldTrump) 8 April 2018

GETTY Syria airstrike: Syria and Russia have both denied the chemical attack