(KUNA) -- Eight people were Tuesday killed, including a judge, in separate violent incidents in the Iraqi capital, Baghdad, according to the Iraqi police. A source at the police told KUNA unknown gunmen shot dead justice Omar Abdulnabi while he was heading to work. Four civilians were killed and seven were injured when a mortar shell slammed into a house in Karrada area in Baghdad, while three policemen were killed in an armed attack which left two injured.