A teenager was attacked and knocked out during an attempted robbery at a Redhill fast food restaurant.
The victim was set upon by three thugs at McDonalds in Station Road.
The attackers tried to steal the 18-year-old's mobile phone while he was using it as he left the restaurant.
They punched and kicked him, causing him to lose consciousness for several minutes. A Surrey Police spokesman said: “During the assault the attackers attempted to take his phone.
“The victim was taken to hospital but was released later that evening.”
Surrey Police is urging witnesses to the attempted robbery at 6pm on Thursday, May 1, to come forward.
Investigating Officer Detective Sergeant Antony Preston, said: "It was a busy time of the day at the scene of the incident and we believe there are many more witnesses that could come forward to help us with our enquiries.”
Det Sgt Preston continued: "It may be that you didn't see the actual attack happen but saw the build up to it inside the restaurant, or that you saw the attack but do not know what happened prior to it.
"Either way we urge you to get in touch, which you can do anonymously through Crimestoppers by calling 0800 555 111.”
Anyone with information should call Surrey Police on 101, quoting the reference number 451400 34994, or contact Crimestoppers in confidence on 0800 555 111.
A Surrey Police spokesman said an 18-year-old from Malmstone Avenue, Merstham, and two males aged 18 and 20, of Eastbourne Road, Blindley Heath, have been arrested on suspicion of attempted robbery, and have been bailed until May 26.