Over the past four days, security forces have arrested over 3,000 illegal Somali residents in Nairobi; some 1,000 are being held in a sports stadium. Interior Secretary Lenku said 4,000 people have been detained across the country for fraudulent documents or on suspicion of criminal activity. Teachers at the Samad Islamic Institute in Eastleigh protested that alleged bomb-making materials found during a security sweep were actually honey and black seeds oil. On April 4, the US revised its travel warning on Kenya in light of recent attacks, and said security reasons prevent US Embassy personnel from traveling to areas of northeastern and coastal Kenya.
