The officer was attacked as he attended an address in Portswood Road, responding to a report of concern for a man living at the residence at about 12pm on Thursday. Hampshire Police arrested a 51-year-old man on suspicion of attempted murder. The man, whom police said is from the city, remains in custody.
Detective Chief Inspector Dave Brown said: “Our thoughts are very much with the officer and his family at this time.
“We have a man in custody arrested on suspicion of attempted murder and we progressing the investigation, carrying out enquiries, conducting house to house visits and scoping CCTV opportunities.
“At the same time, we are providing support to the officer’s family and his colleagues following this incident.
“I would like to reassure you that there we do not believe there is any wider risk to the public.”
A spokesman for the force said the police officer’s injuries are not life-threatening.
He said: “The officer was deployed to check on the welfare of a man living at an address on Portswood Road just after midday today (Thursday 15 October).
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“He remains in police custody at this time.
“Investigations into the exact circumstances of the incident are ongoing.”
Anyone with any information related to the stabbing is asked to call 101 and quote 44200400513.
The violent incident in Southampton comes days after a 20-year-old man was stabbed to death in Nottingham city centre.
A man and a boy were charged with the murder of Keany Kristal Kissingou-Mabiala.
He died at the scene of the brutal attack in Milton Street, close to Victoria shopping centre, on Monday afternoon.
