Two Dublin brothers who were found guilty of murdering a father-of-six in front of his wife and children have begun an appeal against their conviction for a second time.

A Dublin man accused along with his brother of murdering a father of six in front of his wife and children, has told his trial that the man would still be alive today if he hadn't produced a knife.

Two Dublin brothers have gone on trial at the Central Criminal Court charged with murdering a father-of-six in the city more than four years ago.