NAIROBI, KENYA - APRIL 7: Kenyans attend a candle lit vigil late Tuesday at Uhuru park in capital Nairobi in memory of the people killed in last week's deadly attack on northern Kenya's Garissa University College, on April 7, 2015. At least 148 students were killed and 79 injured, four militants killed on Al-Shabaab's terrorist attack on Kenya's Garissa University College. (Photo by Recep Canik/Anadolu Agency/Getty Images)