Police are 'very concerned' for the welfare of a Grantham 15-year old who has not been seen since the early hours of Saturday (18 May) morning.

A Lincolnshire Police spokesman said: "We are very concerned for the welfare of 15-year-old Calum Copus who left his home in Grantham about three in the morning of Saturday and has not been seen since.

"He was wearing black clothing and carrying a black rucksack and riding a small blue bike.

Anyone who has seen Calum should contact police on 101.