

A climber lies injured on a ledge so narrow there is almost nowhere to stand, and sheer drops on every side mean that moving him incorrectly can be fatal; the team must find a way to stabilize, treat and evacuate him from a dangerous location.

A gas explosion rips through a busy marina, sending emergency teams converging from across the region in a desperate race to find survivors; fires burn across the site, structures are unstable, and the risk of a secondary explosion keeps the pressur.

An 80-year-old woman is stranded 100 metres down a cliff on Yr Wyddfa with no safe way to reach her.

Two teenagers are cut off by an underground lake inside an abandoned mine with floodwater rising around them.