Here's a classic case of right place at the right time.
"He said: 'I decided that I'd take a swim about 50 metres along the pier to see if Cecile was around.
I saw it... the seal already had the upper hand and the octopus looked
like it was stunned, as there was no ink in the water, it was not
changing colour and there was very little movement from it.
'I knew immediately that this was something special and not the kind of event that you get to see every day."