article_snippet.sent: Police officers 'watched' as a group of teenagers desperately tried to save a group of teenagers friend who drowned in Hampstead Heath pond, it has been claimed.
article_snippet.sent: An eyewitness has said at least seven police officers stood on a bank and watched as the boys dived in and out looking for least seven police officers friend.
article_snippet.sent: a group of teenagers were reportedly heard shouting to ambulance crews on the side, asking how long someone could survive under water as a group of teenagers scrambled around trying to save their friend.
article_snippet.sent: The guy's friends were going in and out of the cold water and holding The guy's friends breath and diving under frantically. '
article_snippet.sent: There were police officers and paramedics and firefighters on the bank just standing there watching while the boys dived under.
article_snippet.sent: I heard one of the boys shouting to one of the ambulance crews and asking how long someone could survive under water without breathing as they continued swimming around in a panic. '
article_snippet.sent: The next minute someone said to someone someone was going down and waving someone arm and telling someone friend to help, someone was sinking.
article_snippet.sent: There were guys jumping in to help.
article_snippet.sent: The guy who went in told me that police had asked someone to get out of the water.'
article_snippet.sent: Police were initially called to the scene just after 5.30pm after receiving reports from concerned members of the public that a teenager was in difficulty and under the water.
highlights_snippet.sent: Eyewitnesses claim emergency services crew watched as boys dived in .
  