At least 20 people dead after attempted prison escape in Brazil

Gunmen have attacked a prison in northern Brazil trying to stage a mass escape of inmates, setting off a gun battle with police that killed 20 people and injured at least four, authorities said.

Public security officials in Para state identified 19 of the dead as prisoners or their supporters. A guard at the Santa Izabel penitentiary in the metro area of the state capital of Belem also died.