Police are trying to trace a 12-year-old girl who disappeared from her Brighton school yesterday.

Margaret Echel-Thomson, of Preston Park Avenue, Brighton, was last seen at Dorothy Stringer School at 8am.

She is understood to have problems at home and her family and police today pleaded with her to get in touch.

Margaret, who was born in Uganda, was wearing a black skirt, white shirt and trainers when last seen.

Anyone with information about her should contact Brighton police on 0845 6070999.