A man and a woman have been taken to hospital with "serious injuries" after an assault.
The air ambulance had to land and police have had to close a road while they investigate.
Officers are at the scene after a report of the assault in Pilkington Road, Porchester, which is believed to have happened shortly before 2pm on August 5.
No arrests have been made at this stage.
Inspector Paul Shortt, of Nottinghamshire Police, said: “A man and a woman have been taken to hospital with serious injuries.
“Officers swiftly arrived at the scene and are working hard to understand the circumstances of the incident.
“The road remains closed while officers continue with their enquiries.
“We currently believe this is an isolated incident and the people involved are known to each other.
“Officers will remain in the area to provide reassurance to members of the public.
“Anyone who witnessed the incident or who has any information which could help officers with their enquiries is urged to call Nottinghamshire Police on 101, quoting incident number 330 of 5 August 2020, or Crimestoppers anonymously on 0800 555 111.”
