Two men robbed a man of his phone in Brighton in the early hours of yesterday morning (Friday 20 August).
The victim, 21, was walking home along Beaconsfield Road at about 1.20am when he was attacked.
He was punched in the face twice during the attack, having been asked the time.
Shortly afterwards Sussex Police arrested a man, 19.
In a statement, Sussex Police said: “The other man ran off with two females, possibly in the direction of Clyde Road.
“He is described as white, 6ft, of skinny build and around 20 years old.
“The victim suffered from a cut to his face, lumps to the back of his head and a sore shoulder and knee.”
Officers want to speak to anyone who may have seen the incident or seen anyone running from the scene. Call 0845 6070999.