Police are appealing for witnesses following a robbery which occurred in Bletchley.
The incident took place at about 11pm in Buckingham Road on Thursday.
The victim, a 65-year-old man, was walking when he was approached from behind by two offenders and hit over the head, causing him to fall.
The offenders then demanded his property and searched him, before stealing his wallet and mobile phone.
The victim sustained a black eye, as well as cuts to his face and a head injury.
He was taken to hospital for treatment and has since been discharged.
Investigating officer Detective Constable Susan Russell, based at Milton Keynes police station, said: “This incident resulted in a man requiring hospital treatment and I am appealing for anyone who witnessed this incident to come forward.
“If you have any details which you think could help our investigation, please call the Thames Valley Police non-emergency number on 101.”