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The family of an injured British climber who disappeared in the Vietnamese jungle have made a desperate appeal for fellow travellers to help find him.

Former Cambridge student Aiden Webb, 22, fell and injured himself while solo climbing the 10,300ft Fanispan mountain, the country’s highest peak, on Friday.

The climber’s girlfriend Bluebell Baughan, who was also travelling in the country, said she had been sent a map by her injured boyfriend showing his location five days ago, but had heard nothing since.

His family thinks Mr Webb may be incapacitated in a steep-sided valley which is hard to access on foot.

In a Facebook page called ‘Help us find Aiden in Vietnam’ his sister wrote that he was “lost, injured, cold and wet in the Vietnam jungle”.

She said: “He has hurt his knee, torn open his arm and lost his flashlight after falling by a waterfall.

“He went missing on the Xin Chai/Sin Chai route and we need to find him ASAP!

“Any backpackers in the area, any experienced climbers or locals that are willing to save a life, I will reward you for your efforts and for finding him! We need people who are strong!”

She went on: “I know him very well, he is tough & has incredible endurance. Most of all, he is a friend, one with an incredible heart. Time after time he is there for other people.”

“We are running out of time,” she said. “The Vietnamese jungle can be harsh! I want to see him home.”

A crowd-funding page to help pay for a search of the area has raised more than £4,412 so far, while the stricken climber’s father Trever and uncle Michael Webb have been working with local rescue teams.

In a series of Facebook posts before his disappearance, Mr Webb had spoken about his daring solo climbs in the country.

He wrote on May 28: “So today, I completed my first official Free Soloing rock climbs.

“Never had so much fun and never had my mind so clear and empty.

He went on: “This is something I've felt I've needed to do in a long time.

“When I reached the bottom, I was treated as a celebrity by some locals, being called both crazy and spiderman.”