57 minutes ago Simon Atkinson and Kelly Ng Getty Images The March 2019 attack at the Al Noor mosque in led to tighter gun laws in New Zealand Brenton Tarrant is serving a life sentence with no parole after admitting to the murders and trying to kill another 40 worshippers in the March 2019 attack in Christchurch. During a week-long hearing in February, Tarrant, now 35, argued he was incapable of making rational decisions at the time of his plea because of "torturous and inhumane" conditions in prison. He also launched an appeal against his sentence. New Zealand's Court of Appeal rejected his bid on Thursday, ruling that his arguments were "utterly devoid of merit". The facts around Tarrant's crimes are "beyond dispute", the panel of three judges said in a unanimous decision. In his appeal, Tarrant claimed he made the guilty pleas while he was "irrational" and under a poor mental state.…