A young woman and two teenage boys have been arrested following the assault of a 45-year-old man in Lincoln.
As previously reported, the dog walker was believed to have been assaulted in the Napier Street/Cannon Street area of the city at 8pm on May 12.
The man was injured and taken to hospital for treatment and in the day following, Lincolnshire Police launched a witness appeal.
Police have now arrested a female aged 20 and two 16-year-old boys in connection with the assault.
All have been bailed until July pending further enquiries.