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A giant outdoor water slide could be coming to London after a similar project in Bristol last year was hailed a massive success.

Plans to install a 300-metre water slide on Hampstead Heath won support from tens of thousands of people this week after a Facebook campaign for the stunt was launched.

More than 40,000 thrill-seekers said they would attend the summer event, while the page was viewed over two million times.

The idea was based on the 90-metre slide which was a huge hit when installed in a Bristol street last May.

However, the organisers today said they have been forced to abandon the famous north London open space and seek another venue - because of the sheer numbers hoping to come.

Events promoter Edward Ash, 24, a recent graduate of the London School of Economics, said he only envisaged a few hundred people taking an interest.

He said: "We just wanted to do something fun, it's as simple as that, and it's clearly struck a chord with a lot of people.

"The response was phenomenal and bizarre, but it gives you the energy to go out there and make it happen.

"I do think London was jealous of Bristol - but I think we can do the event on a much bigger scale.

"Unfortunately the Heath won't be possible but we are scoping out different venues."

Mr Ash, who runs student club nights, also sought to install the slide on Primrose Hill and in Greenwich Park - but was rebuffed by The Royal Parks which owns the two green spaces.

However, he claims to be in advanced talks with a country estate just outside London.

If this works, he hopes to install one in central London next year.

He said: "Hopefully we can get proof of concept and then next year do it in central London.

"I see it as such a fun opportunity - it would be amazing."