Four people remain in hospital after a rollercoaster crash at M&D's theme park in Motherwell.

The patients are being treated in two Glasgow hospitals following Sunday’s horrific accident in which five gondolas on the Tsunami ride derailed, plummeting 20ft to the ground.

READ MORE: M&D's rollercoaster crash: Theme park co-owner insists Tsunami ride won't be scrapped

A statement released this afternoon by NHS Greater Glasgow and Clyde read: "Three patients remain in the Royal Hospital for Children.

"Two patients remain in a serious condition and the third remains stable.

" A further patient being treated at the Glasgow Royal Infirmary is in a stable condition."

READ MORE: M&D's rollercoaster crash: Theme park co-owner insists Tsunami ride won't be scrapped

There were nine passengers on board the rollercoaster at the time of the crash including two 19-year-old adults and seven children.

A joint investigation by Police Scotland and the Health & Safety Executive is under way and the park will remain closed until further notice.