Moment group of Marines get into massive brawl outside of Austin bar after a cell phone was taken from a woman - as Texas cops desperately try to break up the fight amid chants of 'USA! USA!'

Footage shows a group of Marines and civilians break out into a melee in front of an Austin nightclub. Several blows are exchanged before police break up the fight. One bystander is heard chanting, 'USA! USA!' as officers work to reign it in. At least one man is seen being detained on the video. It's unclear if any arrests have been mad