Dar es Salaam, April 28 -- YEMEN: AT LEAST 68 African migrants have been killed in a US air strike on a detention centre in Houthi-controlled north-western Yemen, the armed groups TV channel says.

Al Masirah reported that another 47 migrants were injured, most of them critically, when the centre in Saada province was bombed. It posted graphic footage showing multiple bodies covered in the rubble of a destroyed building.

There was no immediate comment from the US military.

But it came hours after US Central Command announced that its forces had hit more than 800 targets since President Donald Trump ordered an intensification of the air campaign against the Houthis on 15 March.

Houthi-run authorities have said the strikes have killed do...