Police are urging people to call 999 if they see a high risk girl missing from Sutton.

Olivia, 11, is believed to have a collie dog and a bike with her.

Police ask that anyone with information call and quote the reference 23MIS018917.

Sutton Police tweeted: Please assist MPS Sutton in location 11-year-old high risk missing person Olivia.

“Missing from Sutton, she is believed to have a collie dog and a bike with her.

“Please call 999 ref: 23MIS018917 if you have any information.”