US mine blast kills 25

Twenty-five workers have been killed and at least four are unaccounted for after an explosion rocked a remote coal mine in the US.

Twenty-five workers have been killed in an explosion at a remote coal mine in the US which has a history of safety problems.

At least four others were still missing more than 1,000ft underground early today after the blast in southern West Virginia, the worst US mine disaster since 1984.