Two men have been arrested on suspicion of murder after a policeman was struck by a car and killed following a break in at an estate agency office.
The 34-year-old officer, PC David Phillips, died from internal injuries after being hit by a vehicle that mounted a central reservation in Wallasey on Monday morning.
The men, aged 18 and 30, are in custody.
There are still no details as to why the agency - believed to have been sales and lettings firm Oxton Estates - had been broken into.
The police have also seaeched at least four properties in the Oxton and Wallasey areas as part of the investigation.
PC Phillips and a colleague had been using 'stinger' devices to try to stop the vehicle. Other police officers tried to save his life before he was taken to hospital, but he died on arrival.
The red pick-up was found abandoned in Wallasey a short time after the burglary.
Anyone with information should call police on 0151 777 2263 or in anonymity call Crimestoppers on 0800 555 111.