Patriot Prayer members and antifa members are facing off in downtown Portland. Police have declared it a civil disturbance and have ordered everyone to leave.

3:52 p.m.: Looks like things are wrapping up. We have a complete story of Saturday's events.

3:19 pm.:

Officers have continued to seize items that can be used as weapons throughout today’s protests. pic.twitter.com/s5QsyxuKrI — Portland Police (@PortlandPolice) August 4, 2018

3:12 p.m.:

Officers are responding to SW 1st Ave and SW Taylor St in response to a person reportedly using a slingshot to damage property with projectiles. — Portland Police (@PortlandPolice) August 4, 2018

2:59 p.m.:

Portland Police announcing they’re attempting to reopen SW NAITO Parkway to traffic. A considerable number of protesters and counter-protesters still on either side of the street. — Anna Spoerre (@annaspoerre) August 4, 2018

2:47 p.m.:

Aaaaand back to Waterfront Park. Police tells counterprotestors to disperse. Gibson’s guys go for the fountain #pdx #alloutPDX @oler pic.twitter.com/KNMCar4p2i — Ole Reißmann (@oler) August 4, 2018

2:43 p.m.:

The scene at Tom McCall Waterfront Park. Patriot Prayer near the fountain. Counter-protesters across the street. Police between them. pic.twitter.com/OaKEb7Qe6e — Anna Spoerre (@annaspoerre) August 4, 2018

2:33 p.m.:

Portland police now calling event a civil disturbance & ordering people to disperse as Patriot Prayer marches back east down SW Market. More threats of riot control agents being used. #alloutpdx #patriotprayer pic.twitter.com/ivJGt4VbjJ — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

2:31 p.m.:

2:26 p.m.: Police have declared the protest a civil disturbance. 5th and Market. Telling everyone to leave.

2:24 p.m.:

More help coming in with @ORStatePolice troopers pic.twitter.com/GfYyu9zD01 — Tyler Dumont (@TylerDumontNews) August 4, 2018

2:23 p.m.: Police doing a good job of keeping two sides apart.

2:22 p.m.:

Our colleague @edercampuzano is on his way to urgent care, bloodied, but OK. He was struck with a bottle as police fired flash bangs at counter-protesters. #alloutpdx #patriotprayer pic.twitter.com/DsP1t7ikxw — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

2:18 p.m.:

Still occasional bursts of noise and gas. Police have backed counter-protesters up to Fourth and Jefferson. — Anna Spoerre (@annaspoerre) August 4, 2018

2:16 p.m.:

Portland Police shoot riot control devices at antifa: part 3#defendPDX #AllOutPDX pic.twitter.com/9IeLokuwb3 — Mike Bivins (@itsmikebivins) August 4, 2018

2:02 p.m.:

More flash bangs followed by more cheers erupting from Patriot Prayer demonstrators. “You might as well go home, sweetheart. You’ve lost.” Cops now claiming counter protesters are throwing projectiles at the them, including rocks and bottles. #alloutpdx #patriotprayer — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

1:58 p.m.:

1:55 p.m.: Flash bangs.

Police now deploying flash bangs on counter-protesters gathering on SW Columbia while Patriot Prayer and Proud Boys chanted “USA! USA!” across the street. #alloutpdx #patriotprayer — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

1:54 p.m.: Things are heating up.

Riot cops arrive and tensions immediately start to rise. Police now threatening to use deterrents on counter-protesters and make arrests. #alloutpdx #patriotprayer pic.twitter.com/FvYZFzDD23 — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

1:39 p.m.: They're marching.

1:29 p.m.: Bad day for a picnic.

1:25 p.m.: Oh, Portland.

1:24 p.m.:

Police telling people to get on the sidewalk, out of the street. Lots of screaming on both sides. pic.twitter.com/rp4fUQdbjN — Hannah Boufford (@hannahboufford) August 4, 2018

1:22 p.m.: How Alex Jones is interpreting this:

1:21 p.m.:

Gibson is getting Patriot Prayer ready to march. He hasn’t said where to yet. — Anna Spoerre (@annaspoerre) August 4, 2018

1:05 p.m.:

Pictured. Ethan Nordean, aka “Rufio Panman,” (r) the Proud Boy and Patriot Prayer supporter behind the viral knockout punch at the June 30th riots here in Portland #alloutpdx #patriotprayer pic.twitter.com/eMqx8kUM40 — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

1:04 p.m.:

12:57 p.m.:

12:52 p.m.:

The sound truck is announcing: pic.twitter.com/Tng1YXjnHG — Portland Police (@PortlandPolice) August 4, 2018

12:45 p.m.:

Police in riot gear moving north, too. This is the intersection of Taylor & Naito. pic.twitter.com/CEs3XsCjYy — Hannah Boufford (@hannahboufford) August 4, 2018

12:42 p.m.:

Protestors are on the move, heading North. Police telling them to start out of the streets. pic.twitter.com/cLKRxdhhhk — Hannah Boufford (@hannahboufford) August 4, 2018

12:40 p.m.:

Video shows a struggle for a flag and then a black-clad person hit this dude in the head before he drops. I was watching the blood pour out of his head and into the street. #DefendPDX #AllOutPDX pic.twitter.com/KPRk1D8l00 — Mike Bivins (@itsmikebivins) August 4, 2018

12:39 p.m.:

Man down. He’s dripping blood from his head. This is serious. He got in a struggle with some black clad dudes over a flag and one of them clubbed him. Video coming. #DefendPDX #Alloutpdx pic.twitter.com/2rWnAkAC2J — Mike Bivins (@itsmikebivins) August 4, 2018

12:35 p.m.:

Traffic #ALERT: SW Naito Pkwy is impacted by demonstrations and not passable to vehicle traffic between SW Morrison St to SW Main St. Use alternate routes — Portland Police (@PortlandPolice) August 4, 2018

12:30 p.m.:

12:29 p.m.:

The sound truck is announcing: pic.twitter.com/1ZJTy3zGYa — Portland Police (@PortlandPolice) August 4, 2018

12:28 p.m.:

12:27 p.m.:

Newest announcement: officers observed weapons near intersection. People on the west side of SW Naito have to leave. Arrests, citations & riot control agents/impact weapons may be used if ppl do not comply. — Hannah Boufford (@hannahboufford) August 4, 2018

12:19 p.m.:

12:19 p.m.:

New police announcement @ Naito & Salmon is telling ppl that crossways on SW Natio between SW Main & SW Salmon are closed. Pedestrians not allowed to cross & “reasonable use of force” may be used to enforce the order — Hannah Boufford (@hannahboufford) August 4, 2018

12:16 p.m.:

12:14 p.m.: Seeing some reports of children in the crowd.

12:12 p.m.:

Gibson to crowd: You are not here to fight, but you have a God-given right to protect yourself. — Anna Spoerre (@annaspoerre) August 4, 2018

12:10 p.m.: Gibson just said about 200 more Patriot Prayer folks are en route.

12:09 p.m.: Gibson on the move.

Joey Gibson and Patriot Prayer have arrived in Portland. pic.twitter.com/fDXzbZiDwQ — Anna Spoerre (@annaspoerre) August 4, 2018

12:07: Gibson's in the park.

12:06 p.m.: Police are stationed up and down Naito to prevent people from crossing.

12:04 p.m.: Hope no one needs this, but if you do . . .

Reminder: You cannot just throw pepper spray contaminated clothing in the wash. Instructions on cleaning it up here:https://t.co/JqcMtqQ9H1#DefendPDX #AllOutPDX — Mary Sue (@MarySueSays) August 4, 2018

12:02 p.m.: FYI

Because of events occurring near Waterfront Park, officers will only respond to emergency calls for service in the City of Portland. Officers will not respond to non-emergency calls at this time. — Portland Police (@PortlandPolice) August 4, 2018

11:58 a.m.:

11:56 a.m.:

Officers have seized multiple items that can be used as weapons and are observing people in helmets and protective padding. pic.twitter.com/KNW0yoyhHb — Portland Police (@PortlandPolice) August 4, 2018

11:55 a.m.: Police have closed Southwest Naito.

11:55 a.m.:

11:50 a.m.: About 1,000 people at SW Naito and Salmon.

11:43 a.m.: Cops in riot gear.

11:39 a.m.: What the mayor was saying yesterday.

11:38 a.m.:

Groups have gathered in and around Salmon Street Springs Fountain. SW Naito Pkwy remains open to vehicular traffic. All persons should obey traffic control devices, stay on sidewalks and stay off roadways. — Portland Police (@PortlandPolice) August 4, 2018

11:29 a.m.: Here's the deal with the clowns:

11:16 a.m.:

11:04 a.m.:

From earlier: Spoke to Proud Boy & Prayer member Russell Schultz here at Vancouver staging area. He was armed w gun. Said right-wing demonstrators won’t enter Tom McCall park in Portland. “We are not going to surrender ourselves to search,” he said. But will still march. #pdx pic.twitter.com/zdwKh90vyU — Shane D. Kavanaugh (@shanedkavanaugh) August 4, 2018

OregonLive staffers Jim Ryan, Anna Spoerre, Hannah Boufford, Ole Reissmann, Shane Dixon Kavanaugh, Eder Campuzano and Mark Graves contributed to this report.