Police in Glasgow have launched an investigation after a bin lorry ploughed into a crowd of Christmas shoppers and left six people dead and eight seriously injured.

Police are appealing for anyone who witnessed the accident to send through photos or videos of the incident at georgesquareincident@scotland.pnn.police.uk.

The vehicle hit pedestrians yesterday afternoon at 2.30pm as it mounted the pavement outside the Gallery of Modern Art. It then continued onwards towards George Square with the driver reportedly seen to be "slumped at the wheel" before crashing into the Millennium Hotel.

Police Scotland confirmed last night six people died and eight people were injured in the accident, which was described as "utter horrific carnage".

The casualties have been taken to the Southern General Hospital, Glasgow Royal Infirmary and the Western Infirmary.

Eyewitness Melanie Greg told Sky News: "The bin lorry lost control and it went through the pavement knocking everyone like pinballs. There was a baby in a buggy.

"Quite horrific, very scary.

"It just continued knocking people down until it hit the building."

Other witnesses said the driver, who has also been taken to hospital, "wasn't looking around as the lorry was going across the pavement. He appeared to be slumped over the wheel."

Chief Inspector Mark Sutherland said: "We are currently working with our other agencies to establish exactly what happened.

"It's important that we do a thorough investigation to establish the full circumstances.

"It's important that we take all the necessary steps to do it as quickly as we can so that we get the answers for the families and get their loved ones back to them as quick as we can."

Flags will fly at half-mast on government buildings and a special church service will take place later today.