The bodies of 20 children and three teachers have been recovered after a bus transporting school pupils crashed and caught fire outside Bangkok. The bus was returning to the Thai capital after a school trip to the north of the country.

A bus carrying young students with their teachers caught fire in suburban Bangkok on Tuesday and more than 20 of those on board were feared dead, officials and rescuers said.

A small town in central Thailand is preparing for a mass funeral for the 23 children and teachers who died in a bus fire while on a school trip.