Five teenagers have sustained serious injuries following a knife attack at a Halloween party in Chandler’s Ford, near Eastleigh, Southern England, United Kingdom.

Hampshire Police said officers were called to an address on Park Road at about 22:30 GMT on Saturday after an unknown group reportedly gained entry to a party before the attack..

The victims, comprising three boys aged 16 and two aged 17, were taken to hospital for treatment.

Hampshire Police said a cordon remained in place on Sunday as officers continued investigations into the incident.

The area remained cordoned off on Sunday as police continued their investigation

The Senior Investigating Officer, Detective Chief Inspector Elizabeth Pirie, acknowledged the effect of the incident on residents and commended them for their patience as investigations continued.

A witness told the BBC that several ambulances and an air ambulance were deployed to the scene.

Another witness reportedly spotted an unidentified individual fleeing the property, shouting that he had been stabbed and was being pursued by two people.

Reacting to the incident, Eastleigh Member of Parliament, Liz Jarvis, expressed concern for the victims and their families in a post on X on Sunday.

“My thoughts are with the victims and their families and all those affected by the incident in Chandler’s Ford last night, and my thanks go to our local police and emergency services for their prompt response,” she said.

She also urged members of the public not to speculate or share unverified information about the incident.