Fourth female suicide bomber hits Nigeria's Kano, kills six

KANO Nigeria (Reuters) - A suicide bomber blew herself up at a college in northern Nigeria's biggest city of Kano on Wednesday, killing six people in the fourth such attack there in less than a week, the government said.

Six other people were critically wounded by the bomber who targeted youths looking at a notice board for national youth service in Kano Polytechnic, government spokesman Mike Omeri said.