Cyclists cycling from John O Groats to Lands End to raise £250,000 for Sport Relief came across a van parked on a lonely road near the Cornwall and Devon border with a young woman screaming for help in the back.

Delivery driver Emma Lloyd had left the driving seat and climbed in the back looking for a pen when a gust of wind blew the back door closed locking her in, with her mobile phone inaccessible on the van’s front seat. She was trapped for four hours before the passing cyclists, hearing her screams, were able to let her out.

Time for someone to design back doors for vans that can be opened from the inside in case of emergency?