Three people are in hospital after a multiple stabbing in the middle of the night.

Armed police and dog units rushed to Vicarage Road, close to Watford General Hospital and the football stadium, at around 3.15am.

Latest: Vicarage Road expected to be shut all day after multiple stabbing

This morning, Vicarage Road remains cordoned off between the stadium and Farraline Road. It is likely to be closed for most of the day.

Watford Observer:

A crime scene is in place in Vicarage Road

Police have confirmed the three victims are two men aged in their 40s and 30s and a woman in her 30s.

A Hertfordshire Constabulary spokesman said: "At 3.17am today (July 3) police were called to Vicarage Road, Watford following a report of an incident where several people had sustained stab wounds.

"Officers attended alongside the ambulance service. Three people were taken to hospital. Armed officers and a dog unit were sent to the scene to support local officers due to the nature of the incident." 

Read more: Triple stabbing not believed to be gang-related

Police have since added those involved are believe to known to each other.

A spokeswoman said: "Enquiries into the incident are continuing at this time, however it is believed to have been an isolated incident between people who are known to each other and there is no perceived ongoing threat to members of the community."

Watford Observer:

Watford Observer:

Anyone heading to the hospital is advised to use Thomas Sawyer Way to gain access to the site.

Bus services in Vicarage Road are being diverted - mainly via Whippendell Road.

Witnesses to the incident, or anyone else with information, are asked to contact Hertfordshire Constabulary via 101, quoting reference ISR 49 of July 3.