Baltimore police enforced a night-time citywide curfew after officers behind riot shields hurled tear gas canisters and fired pepper balls at as many as 200 protesters on Tuesday night. br 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.