The Ebonyi State Command of the Nigeria Police Force has arrested a Labour Party House of Assembly aspirant for Ezza North Constituency, Leonard Kelechi Nwali and three others in connection with the killing of one Peter Nweke. Nweke, a Chieftain of the Peoples Democratic Party, was tortured to death by suspected political thugs during the March 18 governorship and House of Assembly elections in Ebonyi State.