A chef residing in Australia has claimed that he choked his ex-wife to death because she launched a verbal attack on his sexual incompetence, a court heard on Monday

A jury has heard how Jiagen Pan, 45, was arguing with his former wife Linjin Cui at her Springfield Lakes home in August 2009 when she slapped him and called him a 'son of a bitch' and 'a loser', reports Brisbane Times.