Suicide bombers target a busy bus station in the city center of Kano in northern Potiskum . just hours before , a single bomber blew up a bus in Nigeria , Yobe state . No one has claimed responsibility , but Resident Ahmad Maina has been blamed in numerous attacks in the more than 200 cities .
Suicide bombers target a busy bus station in the city center of Kano in northern Nigeria . Only hours before , a single bomber blew up a bus in Potiskum , Yobe state . No one has claimed responsibility , but Boko Haram has been blamed in numerous attacks in the two cities .