TOPSHOTS Police officers process the scene of a car bomb explosion on April 23, 2014 at the entrance to the Pangani police station near Nairobi's Somali district of Eastleigh. At least four people, including two policemen, were killed on Wednesday when a car bomb exploded outside a police station in Nairobi near a major Somali neighbourhood, Kenya's government said. "At least four dead after a sedan exploded at Pangani police station, of which two are police officers," the interior ministry tweeted. "Agents intercepted the suspect car at traffic lights and took the suspects away for questioning," it added, without giving further details. AFP PHOTO / Tony KARUMBA