Police have released more images of people they wish to speak to after the mass spontaneous water fight in Hyde Park earlier this week descended into violence.

One of the four new images show a man who appears to be aiming a missile directly at police in Hyde Park, while the other photos show individuals who are alleged to have committed offences in the Marble Arch area.

A police officer and two other people were treated for stab wounds during the disorder, which broke out on the hottest day on the year on July 19. A third member of the public was also hurt.

An image of a person appearing to throw a missile

In total, five officers were hurt, including one who was also struck by a bottle.

Crowds had started gathering at Hyde Park at around 3pm and a water fight broke out.

A CCTV still of a woman following the disorder at Marble Arch

Police say things turned violent at around 8.40pm when some of the crowd tried to set up a sound system. The increasingly large gathering become hostile to police, and items - including bottles - were thrown towards officers wearing riot gear.

Detectives from the Specialist Crime and Operations’ Homicide and Major Crime Command are investigating, but are yet to make any arrests.

Commander Nick Downing said: “We have a number of specialist officers who are reviewing hours of CCTV footage and whilst we are still in the early stages of the investigation they have been able to identify key individuals who are believed to have taken part in the disorder in some way or form.

Police want to speak to this man in relation to disorder at Marble Arch area

“Detectives continue to work to identify not just these four individuals but a number of others involved . We are appealing to the public to help us identify the individuals in the images we are releasing, or if you are the person in the images now is your opportunity to make yourself known to police.”

Anyone that can assist police is urged to call the incident room on 020 8785 8244.

Police have issued stills of people they want to speak to following public disorder at Marble Arch

To give information anonymously go to Crimestoppers on 0800 555 111 or crimestoppers-uk.org