But for a handful of highly-skilled and experienced divers, it is where they both ... the five men were killed instantly, with their blood reaching boiling point in a matter of seconds.

The event now stands as a cautionary tale for deep-sea divers, who operate at high risk depths. The rig's owners employed four divers and two assistants ... when their blood flash-boiled ...

The harrowing Byford Dolphin accident of 1983 saw five men lose their lives in the most horrifying way 508ft below the surface of the North Sea when a compression mechanism malfunctioned, causing ...