At least seven people were killed and more than 30 were wounded in a bomb explosion inside a bus in the outskirts of Sri Lanka's capital, police said, reported the dpa.
The bomb blast took place in Piliyandala, 12 kilometres south of Colombo, near the main bus stop, they said.
The bus was leaving the stop with more than 50 passengers when the bomb went off. Some of the wounded included people standing outside the bus.