Death toll from Kenya bus explosion rises to six; one suspect arrested NAIROBI, Kenya, Dec. 15 (UPI) -- The death toll from a bus explosion in Nairobi, Kenya, has risen to six, while 30 others remain in the hospital, police said. The explosion occurred at 5:45 p.m. Saturday and led to a pileup of six vehicles, Nairobi Police Chief Benson Kibue reported. Ten of the victims were in critical condition following the blast. "I heard a loud explosion and metals and other pieces from the vehicle were flying all over this place, and people shouting," Peterson Mwaura, a pedestrian who was nearby at the time of the explosion, said, "I ran back. People were crying for help, they were screaming. Detectives have arrested one suspect, who is now being interrogated, Capital FM Kenya reported.