Three people have reportedly been killed in two explosions in the Kenyan port city of Mombasa.
According to one report, a grenade was thrown in a bus in the Mwembe Tayari area of the tourist resort, leaving three dead and several others wounded.
The other explosion was heard at a hotel in the Nyali beach area. There are no reports of casualties there.
Kenya has been hit by a spate of attacks blamed by the government on Somali Islamist militants.