Police investigating a robbery in the Exeter catacombs, where a man was attacked, are appealing for information.
Devon and Cornwall Police said the victim, a man in his 20s, was punched to the ground and kicked repeatedly while he was on the floor.
Officers said the attack happened in the Exe Street area of the city between 6pm and 6.30pm on Thursday, July 2.
The victim’s mobile phone and blue rucksack were stolen and he suffered bruising and a chipped front tooth.
A Devon and Cornwall Police spokesman said: “It is believed the assault involved four suspects who ran off in the direction of Exe Street and the Iron Bridge.”
Police said two 16-year-old boys from Exeter have been arrested on suspicion of robbery and have been released under investigation while enquiries continue.
Witnesses, or anyone with information, are asked to contact police by calling 101, or emailing firstname.lastname@example.org, quoting crime reference CR/052923/20.