Three stabbed - including a police officer - after mass water fight in Hyde Park descends into violence

Three people were stabbed - including a police officer - after a mass water fight in London's Hyde Park descended into violence.

Revellers had gathered to sunbathe by the Serpentine lake and to take part in a water fight.

However at around 8:40pm, the police said the large crowd became hostile and bottles were thrown at officers.

Two police officers suffered injuries - one was stabbed and one was hit by a bottle.

Both have been taken to hospital for treatment and their injuries are described as not life threatening.

Police said two other people suffered stab wounds and were taken to hospital.

There have not been any arrests.