Tolong jelaskan mengenai Armenia dari BTR-60

A BTR-60PB of the Armenian police was used on 1 March 2008 during the Armenian presidential election protests in Yerevan. It was sent to counter the protest at the Shahumyan Square near the French Embassy, where it arrived at 1:30 pm. Eventually, the unarmed and peaceful demonstrators surrounded the APC, mounted it, and forced its crew to leave the square.