Two men have died and a third is in life-threatening condition after four people were stabbed at a business premises in Southwark, London.

The incident is understood to have taken place at 1pm today, according to the Metropolitan Police.

Detective Chief Superintendent Emma Bond, who leads policing for the area, said: "At this point, we do not believe it to be terrorism-related and there is no further risk to the public."

The Met Police said the incident occurred on Long Lane in Southwark.

The force added that a 58-year-old man died at the scene while three other men were rushed to hospital.

A 27-year-old man has since died in hospital.

The Met Police confirmed an investigation is underway.

Det Bond said: "Our investigation is in the early stages and we are working hard to understand the full circumstances of this shocking incident.

"There will be a heavy police presence in the area throughout today, and I would encourage anyone with information to speak with officers or contact the Met by other means."

The force said anyone with information can call 101, report online or contact 'X' @METCC and quote CAD3499/28.