Four people have been arrested after a teenage woman was stabbed in a "shocking and violent attack".

Police were called to a report of an assault in Masons Avenue, in Wealdstone, Harrow at 7pm on Saturday (February 10).

Officers attended alongside the London Ambulance Service and the 18-year-old victim was taken to hospital with stab injuries.

She has since been discharged and is being supported by her family, Scotland Yard said.

Four people have been arrested and The Metropolitan Police continues to appeal for information from anyone who may have seen or heard anything.

Patrols have also been increased in the area and members of the public are encouraged to speak to officers.

Det Insp Nicola Hannant, who is leading the investigation, said: “This was a shocking and violent attack and we continue to support the victim and her family as she recovers from her injuries.

“Since the incident occurred, we have been working tirelessly to identify those responsible and are making good progress with our investigation.

“We have already arrested four people however we continue to appeal for anyone who may have been in the area or who believes they have further information to come forward and speak to us.

"We have increased police patrols in the area and would encourage people to approach these officers with any information or concerns.”

Anyone with information should call 101 with reference 6306/10Feb or alternatively, contact independent charity Crimestoppers on 0800 555 111.