An urgent police search is underway for a 13-year-old boy who got into trouble swimming off the coast of Hornsea, East Yorkshire, on Tuesday evening. Emergency services rushed to the scene after receiving reports at around 6pm about concerns for the boy's safety.HM Coastguard, Yorkshire Ambulance Service and Humberside Fire and Rescue Services, and Humberside Police officers were deployed to the South Promenade in Hornsea, and are being assisted with the force’s marine unit and drone pilots.Chief Superintendent Phil Booker said: “After receiving the report, officers were immediately deployed alongside other emergency services and upon attending, it was discovered that a 13-year-old boy had reportedly got into difficulty whilst swimming in the water.Police received reports of the incident at around 6pm on Tuesday (AFP/Getty)“Our priority now is to find the boy, and members of the public can expect to see specialist Police Search Advisors (POLSA), along with our Marine Unit and drone pilots, who have also been deployed to conduct an extensive search and rescue operation to locate him.”Police have asked members of the public to stay away from the beach as they conduct their search.“We would urge people to please avoid the area where possible to allow emergency services to work efficiently and safely, and refrain from speculating on the circumstances of the incident,” Mr Booker said.“Our enquiries continue to ascertain the full circumstances around the report, and we would ask anyone with any information that may assist us, to please speak to the officers in Hornsea, or contact us via our non-emergency number 101 quoting log 415 of 4 August.” A bunch of flowers left by River Thames at Millwall Outer Dock (Ben Whitley/PA) (PA Wire)On Monday, a 14-year-old boy died after entering the water near Millwall Outer Dock, on London’s Isle of Dogs.Detective Superintendent Oliver Richter urged people to only swim in designated areas, and to take the time to speak with children and young people about staying safe around water. “As the warm weather continues, I would urge everyone to remember that open water can present serious dangers,” he said.The Royal Life Saving Society also issued a warning in response to the rise of water-related incidents and deaths in the UK this summer, most of whom were children. The charity has urged people to “stop and think” before entering the water, and assess the surroundings and potential dangers.