Among those taking part in the counter-demonstration were black-clad Antifa activists, while on the pro-Trump side were members of the Oath Keepers militia from Montana, as well as a group of bikers.br Eleven people were injured, Berkeley police said, adding that one person was stabbed amid the clashes. Tear gas and pepper spray was usedюbr br COURTESY: RT's RUPTLY video agency, NO RE-UPLOAD, NO REUSE - FOR LICENSING, PLEASE, CONTACT br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.