Local media reported that unregistered outsiders gathered at the venue, tried to force entry after being denied access, hurled bricks and stones and attempted to seize the stage.
Protesters burnt tree trunks and tyres to block roads, while multiple crude bomb blasts rattled neighbourhoods in Dhaka. There were reports of similar violence from several other parts of the country.
Violence erupted in Khagrachhari district after reports of a tribal girl’s alleged gang rape, triggering clashes between tribal groups and Bengali settlers that left three dead and dozens injured.