**At least 20 people have been killed and some 45 injured in Bangladesh after two buses were involved in a head-on collision, officials say.**They say the accident happened on a road in the Faridpur district, south-west of the capital Dhaka.
There are fears that the death toll could rise further.
Some 4,000 people die each year in road accidents in Bangladesh, which the state transport authority blames mainly on poor roads and bad driving.