Four people have been arrested after two women and a man were seriously assaulted in Chesterfield.
The attack happened at a property in Albion Road sometime between 11.30pm on Wednesday and 1.30am on Thursday.
A Derbyshire police spokesman said: “The victims are currently in hospital with a variety of injuries of different severity.
“Their injuries are not life-threatening.
“Four people have been arrested in connection with the incident.”
Anyone who can help with the police investigation should call Derbyshire Constabulary on 101 or Crimestopers on 0800 555 111.