For anyone that prefers a happy ending - and can stomach the mail website - here's a story of some telecomms engineers that were rescued from the sea floor in a sub. An extract below. It's well worth a read to find out what happened to the bag of shite.
"Mallinson had another worry. His...
One of my colleagues has helpfully stated on the matter that "They'd be nothing worse than being sat in that thing at the bottom of your sea with your arse"
To be fair, he's got a point.