Bus station blast kills at least five in Kenya

Nairobi, Kenya (CNN) -- The death toll has risen to six following an attack on a Kenyan bus station that left dozens wounded, the Red Cross said Sunday.

At least 68 people are undergoing treatment at a Nairobi hospital, according to the agency.

The explosions, which authorities believe are grenade attacks, occurred Saturday at a normally-crowded bus station in central Nairobi.

"We still need to complete investigations and we cannot immediately confirm who did this, but we highly suspect that it is Al-Shabaab or sympathizers of Al-Shabaab," said Charles Owino, the police deputy spokesman. "Eyewitnesses say that grenades were thrown from a vehicle and the suspected perpetrators fled from the scene."

There have been several instances of grenade attacks at bus stations and at a bar in Nairobi in recent months. Read More