The parents of a British man murdered by his Chinese wife have offered her £40,000 in exchange for the couple’s son so they can bring him up in the UK.

Weiwei Fu is serving a life term after stabbing to death Michael Simpson in his apartment in Shanghai in 2017.

The couple were estranged at the time of his murder, but had two children, Jack, eight, and Alice, six.

Ian and Linda Simpson have been battling for custody of their grandchildren for two years. Last December they paid £9,000 for Alice to be released by Fu’s family, who live in a remote province in China.

The children’s maternal Chinese grandparents would not give up both children, so the Simpsons made the heart-wrenching decision to take