Somebody buy that cop a beer Antifa protesters have allegedly waged war on Trump supporters in Philadelphia this afternoon, prompting police to step in.Popular conservative personality Jack Posobiec appears to be at the scene and is reporting on the clashes via his Twitter page.Images shared by Posobiec show members of Antifa   clad in their trademark black hoodies and face masks   burning American flags and attacking both police and peaceful rallygoers by setting fires and throwing smoke bombs.Here are photos and videos of anti-Trump thugs burning American flags and generally causing chaos in Philadelphia:Right now in Philadelphia, a massive black bloc is shutting down a pro Trump rally pic.twitter.com/QGqRFTbFB7  agitator in chief (@soit_goes) March 25, 2017Philly chanting "any time, any place, punch a nazi in the face!" | via @jpegjoshua https://t.co/1CbcjEdQMJ  agitator in chief (@soit_goes) March 25, 2017This video shows the cowardly (masked) Antifa scum attacking innocent Trump supporters:Antifa Running Toward Trump March, Clashing with Philly Police pic.twitter.com/hgHdpFo1CJ  Jack Posobiec   (@JackPosobiec) March 25, 2017Watch Philadelphia police officer launch his bike at Antifa coward:VIDEO: Philly Police Officer Hits Antifa Rioter With Bicycle pic.twitter.com/j6Rc9l5520  Jack Posobiec   (@JackPosobiec) March 25, 2017-Milo