Barely 24 hours after many worshippers were killed in a bomb explosion in a mosque around Mulai area of Maiduguri, three female suicide bombers on Friday, attacked the Umarari Bayan Waya area of Mulai Village in Maiduguri, the Borno State capital with Improvised Explosive Devices (IED), killing at least seven people while 17 others were injured.The blast was occurred around a few minutes past 5am when the worshippers were getting ready for the early morning prayer.