Medics help an injured person at Kenyatta National Hospital in Nairobi, Kenya, Thursday, April 2, 2015, after being airlifted from Garissa after an attack by gunmen at Garissa University College in northeastern Kenya on Thursday morning. Witnesses say the gunmen who stormed a college in Kenya Thursday morning identified themselves as members of al-Shabab, the Islamic extremist group from neighboring Somalia. (Photo by AP Photo/Stringer)
