article_snippet.sent: James Eisen, a 43-year-old freelance journalist, said: 'I was walking past and I could see a lot of commotion going on over the far side of the pond. '
article_snippet.sent: There was at least seven police officers on the far side of the pond. '
article_snippet.sent: Before I left the police helicopter was flying over and they had launched some boats onto the pond.'
article_snippet.sent: Mr Eisen was seen scrambling in a 10ft deep section of the pond and shouting for help before Mr Eisen disappeared under the surface.