Two people have been arrested on suspicion of grievous bodily harm (GBH) in connection with a stabbing in Lincoln on Monday night.
They are currently in police custody and will be interviewed by officers soon, Lincolnshire Police said.
As previously reported, the incident was reported to police just after 8pm on December 8 at an address on Arboretum Avenue in the Monks Road area.
A 22-year-old woman was not seriously injured in the incident but sustained a puncture wound to her arm. She was taken to hospital for treatment and has since been discharged.
A 36-year-old man suffered two stab wounds to the abdomen. He has been taken to hospital and remains there this morning for treatment. His injuries are not thought to be life-threatening.
DI Suzanne Davies, of Lincoln CID, said: “Two people have been arrested on suspicion of GBH today in connection with the incident in Arboretum Avenue last night. We are continuing to investigate and have been carrying out a number on enquiries, including at the scene, since last night.
“I know this has been worrying for residents in the area, and indeed those further afield in Lincoln, and I would like to reassure people that this type of incident is rare and we are carrying out a thorough investigation into the circumstances.
“Investigating officers have been working hard to investigate the exact circumstances surrounding this incident and I would still like to hear from any witnesses or anyone who has any information that may be relevant to the enquiry.
“Did you see or hear a disturance in Arboretum Avenue last night? Did you see or hear anything suspicious or out of place? Please don’t hesitate to contact us on 101 quoting incident 421 of 8th December 2014 or you can pass information to Crimestoppers anonymously on 0800 555 111.”