Nigeria: Abuja shopping centre hit by blast

An explosion has hit a busy shopping centre in Nigeria's capital, Abuja, and there reports that people have been injured.

The blast hit the capital's Wuse district, reports said.
It is not clear what was behind the explosion. Emergency services are attending the scene.
Nigeria has experienced several bomb attacks in recent months. Many places have been targeted by the radical Islamist group Boko Haram