charity

Some are part of criminal syndicates or "recruited" to be in one, Busi Thabane, from Benchmarks Foundation, a charity which monitors corporations in South Africa, told the BBC's NewsDay programme.

The former Top Gear and Take Me Out host has so far cycled more than 200 miles and raised more than £3.3m for the charity.

He continues to invest in companies, as well as running his charity, the Hunter Foundation, which he and his wife Marion established in 1998.

This was two years after an investigation revealed he had subjected boys in the UK, many of whom he had met at Christian holiday camps run by a charity he chaired that was linked to the Church, to traumatic physical, psychological and sexual abuse.

The final transfer of ownership to the British Museum will be subject to the Charity Commission's consent.