Explosion rocks Central Mosque in Kano, many feared dead...na wa oooo

What is going on in Nigeria?..There was an explosion at the Central Mosque in Kano this afternoon as Muslim faithfuls were holding their Friday Jumat service. It's the same Mosque where Emir of Kano, Sanusi Lamido usually leads prayers but he wasn't there this afternoon. Many are feared dead. na wa ooooo