<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Police in NSW have issued a warning about jet-ski safety after a string of incidents over the last two days.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Public concerns have grown after two people were injured in a jet ski crash in Sydney's south last night.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>At around 5pm yesterday, Marine Police arrived at waters off Brighton Le Sands after reports that two jet skis had collided.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/heat-records-october-temperatures-break-records-multiple-states/27ac5aa7-a468-4389-8b77-d8b568c629db" target="_blank"><strong><span>Millions set to swelter as spring scorcher looms</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Upon arrival, police were told that four people were in the water after being ejected from the vessels.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A 23-year-old man and a 20-year-old woman who were on the same jet ski were treated on the scene by paramedics.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The pair were taken to St George Hospital for treatment.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/police-warn-of-the-dangers-of-jet-skiing-after-a-string-of-incidents/f0a0f4d6-494b-4b7d-b3a4-4d158697c6a5" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The woman sustained serious leg injuries and has undergone surgery. The man has since been discharged from hospital.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The 18-year-old woman and 22-year-old man, who were allegedly riding the second jet-ski, were uninjured.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The 18-year-old was arrested for a short period of time after attempting to leave the scene on foot. She was later released pending further inquiries.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/anthony-albanese-donald-trump-meeting-white-house-oval-office/86dff558-6189-4a00-9b65-d40d7f055505" target="_blank"><strong><span>'I don't like you': Trump blasts Rudd during Albo meeting</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Police have seized both jet-skis as they commence investigations surrounding the circumstances of the crash. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Brighton Le Sands is a frequently visited spot for jet ski riders and locals are concerned that, as summer approaches, it may become a safety hazard for swimmers.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"I wouldn't put my kids in the water while jet-skis are around, no way," one resident said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"I would not go there, it is a lot of them and they come very close, they're scary," another added. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Jet-ski safety for Brighton le Sands, Georges River and Revesby is highly focused for us at the moment," said NSW Maritime Acting Executive Director, Darren Wood.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Jet-skis are a powerful craft and it is important that people obey the rules and regulations when operating these vessels," said Superintendent Siobhan Munro from the Marine Area Command.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We will not tolerate dangerous navigation that's putting lives and members of the public at risk.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We know that it is only a small percentage of jet-ski users doing the wrong thing."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"They're putting lives at risk."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The incident comes a day after a 17-year-old boy was spotted by police in the same waters dangerously driving a jet-ski near swimmers.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The boy also allegedly failed to stop for police. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>His jet-ski was seized and police say charges for menacingly operating the vehicle will be laid.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"It's a whole-state problem, it's not just Brighton le Sands," Munro said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f" target="_blank"><strong><em><span>DOWNLOAD THE 9NEWS APP</span></em></strong></a><strong><em><span>: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. 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