A section of Scotland's busiest motorrway has been shut down following a 'serious' road crash.
Emergency services including police and ambulance crews, are currently in attendance at Junction 4A of the M8 at Heartlands in West Lothian.
Motorists have been warned to expect delays of up to 90 minutes as diversions are in place at Junction 4A at Heartlands to B7066 in Harthill.