Six still missing after Oklahoma's tornado

Six adults are still missing following the Oklahoma tornado on Monday, city officials have confirmed.

The state emergency management director said it's not clear whether those people had left their properties, or if they might still be found in the rubble.

A rescue worker searches for survivors in Moore, Oklahoma Credit: Reuters

The 1.3 mile-wide tornado was on the ground for 40 minutes with the US National Weather Service estimating the winds to be between 200 and 210 mph.