Kenyan police search journalists of Somali origin near the scene of an explosion at the Anglican Church of Kenya (ACK) Sunday school along Juja Road in the Kenyan capital Nairobi, September 30, 2012. A nine-year-old boy was killed and three other children wounded when a hand grenade was thrown into a Sunday school session in the church in Nairobi, police and medical staff said. REUTERS/Thomas Mukoya (KENYA - Tags: SOCIETY CRIME LAW CIVIL UNREST RELIGION MEDIA)