An air ambulance has been scrambled to the scene of a motorway smash in South Yorkshire.
The M18 is closed in both directions between junction 1 at Bramley and junction 2 for the A1.
Highways England said there has been a 'serious collision'.
No other details have been released.
** 1.50PM UPDATE: The southbound carriageway has re-opened following the departure of the air ambulance **