Masked robbers locked Cobham Carphone Warehouse staff in a toilet before stealing 160 iPhones.

Four men barged into the Oakdene Parade shop shortly before 5.30pm yesterday, Surrey Police said, and ordered staff to hand over their own phones.

The raiders forced workers to open the store's safe before locking them in the toilet and escaping through the back door into a Waitrose car park.

The employees were not hurt.

Detectives are still hunting the men, who are thought to have driven away on the A3.

Anyone with information should call Surrey Police on 101, quoting reference P15303456.