A Mercedes was stolen when an offender used a cat flap in a robbery at a house in Timperley.
The incident, which took place on Riverbook Road on the Stamford Brook estate, happened between late last night and this morning.
The offender used what police described as an “unknown implement” to reach through the cat flap and steal a set of car keys.
He went on to steal a dark blue Mercedes C200 D Class, registration number WM65 UJP. The car is still outstanding.
Anyone with information should call police on 101.
