Mysterious glowing creature in Bristol Harbour

There's been a bit of a mystery surrounding a glowing creature that appeared in Bristol Harbour.

This is footage shot on a mobile phone. Well it was tweeted by numerous people - including the Mayor of Bristol. It looked like a squid and even marine experts were consulted. Well unfortunately is wasn't a deep sea creature or something from outer-space.

It was in fact all a stunt by TV channel, designed to promote a new show.