Kano, Nigeria, Rabi'II 24, 1436, February 13, 2015, SPA -- At least 15 people were killed Thursday and several others were injured in an explosion at a crowded market in the north-eastern Nigerian town of Biu, dpa reported. The attack was believed to have been carried out by a female suicide bomber. "The scene of the attack was littered with human body parts and blood stains," said a rescue worker who wanted to remain anonymous. No group has claimed responsibility for the attack. -- SPA 11:41 LOCAL TIME 08:41 GMT www.spa.gov.sa/w