A frantic mum calls 999 when her seven-year-old daughter suffers a cardiac arrest, a microlight pilot loses power at 4,000ft and must dodge power cables to land, and two pals on holiday escape their hire car as it goes up in flames.

A 12-year-old boy falls from a clifftop on to concrete sea defences. His father arrives at the scene to find emergency workers battling to save his son. And two British adventures are trapped in the ice off Alaska in a bid to cross the Bering Sea.