Kenyan police, Muslim youth clash in Mombasa CUE: Worshippers clash with police following Friday prayers at Martyr’s Mosque (formerly Musa Mosque) in Mombasa, the scene of frequent recent deadly clashes. Tension was high after the killing of hardline Kenyan cleric Abubakar Shariff Ahmed, known by his nickname "Makaburi", who was shot dead in the port city of Mombasa on Tuesday. Images and soundbite.