The partner of slain Hong Kong socialite Abby Choi Tin-fung has denied seeking a sexual relationship with her ex-husband when they were young, saying he only remained in contact because their children shared the same mother. Testifying on Thursday, Chris Tam Fong-chun appeared surprised when a defence lawyer suggested he wanted a “romantic and sexual relationship” with Alex Kwong Kong-chi when they were studying at the same international school. “Definitely disagree,” Tam said after seeking...