Dog owners are desperate to find their missing pet.

Ollie has been missing since Monday.

He was last seen on Monday night at about 8.30pm running up Collingwood Road in Witham.

He went missing from Hatfield Road estate in Witham.

Eight-month-old Ollie, who came from AA Dog Rescue in Latchingdon, is extremely nervous.

He is wearing a black harness with a large extendable lead.