Police have today arrested a further two people in connection with a stabbing in Hemel Hempstead.
Two 17 year old boys remain in police custody at this time.
Officers were called to a home in Warners End Road, Hemel Hempstead, at 12.30am on Saturday following reports that a man had been assaulted in the street.
They discovered a man with stab wounds to his body and a search of the area, with the help of the police helicopter and dog unit, tracked down three people.
A 20-year-old man, a 20-year-old woman and a 22-year-old woman, all from Hemel Hempstead, were arrested and have since been police bailed while the investigation continues.
The victim was taken to a London hospital and has since been released following treatment.
Anyone with information about a disturbance in Warners End Road in the early hours of Saturday morning or anyone who saw what happened is asked to contact Det Sgt Carolyn Taylder via the Herts Police non-emergency number 101.