Armed police guarding Al Noor mosque after it officially reopened following the 2019 attack in Christchurch, New Zealand. Photograph: Carl Court/Getty Images The Australian white supremacist who murdered 51 Muslim worshippers at two mosques in Christchurch in 2019 has appealed against his convictions and sentence of life in prison without parole. Brenton Tarrant pleaded guilty in March 2020 to 51 counts of murder, 40 counts of attempted murder and a terrorism charge. His change of plea averted the need for a trial that officials feared he would use to spread his extremist views. Now aged 32, Tarrant in August 2020...