Hotels boost security after Bamako attack Security measures are boosted at hotels across the Malian capital, after Friday's deadly siege of the Radisson Blu Hotel in Bamako. The Al-Murabitoun group, an Al-Qaeda affiliate led by notorious one-eyed Algerian militant Mokhtar Belmokhtar, nicknamed the "Uncatchable" or "Mr Marlboro", claimed the attack. IMAGES AND SOUNDBITES.