GP who killed husband with a mallet loses appeal

A doctor who killed her abusive husband by beating him with a heavy metal mallet as he slept in their West Australian home has lost an appeal against her conviction and sentence.

Sri Lankan-born Chamari Liyanage was sentenced to four years in prison after being convicted of the manslaughter of Dinendra Athukorala in Geraldton, in the state's Mid West region, in June 2014.

Dr Liyanage and her husband were doctors at Geraldton Regional Hospital, having come to Australia from Sri Lanka in 2011.

But she said he was a violent and controlling husband who forced her to participate in his sexual acts with