Suicide blast kills 6 in college campus in Nigeria

A suicide bomber targeted students at a technical college in Nigeria's second city of Kano on Wednesday as the campus reopened following a Muslim holiday, witnesses said.

A female suicide bomber blew herself up in a college in northern Nigeria's biggest city of Kano on Wednesday, killing six people and critically wounding another six in the fourth such attack by a woman in Kano in less than a week, a security source said.

The bomber targeted youths who were looking at a notice board for national youth service in Kano Polytechnic, the source said.