U.K. Heatwave: Cop Among Several Stabbed at London Water Fights

London's hottest day of the year descended into chaos after two water fights ended with five people being stabbed, officials said Wednesday. A British solider also died while on a training exercise in the sweltering temperatures.With the U.K. in the midst of a 91-degree heatwave, more than 2,000 people gathered in the capital's Hyde Park for a water fight promoted on social media.

London's Metropolitan Police said "our officers came under attack" from bottles and other objects after they attempted to negotiate with a group attempting to set up stereo equipment.The London Evening Standard dubbed the event "the worst outbreak of youth violence since the 2011 riots," in which thousands of people took to the streets across London and other parts of the U.K.Eyewitnesses told the newspaper the resulting chaos resembled a "riot" and a "war zone."