The gunman behind New Zealand's Christchurch mosque shootings sacked his lawyers Monday and opted to represent himself, a month ahead of the sentencing hearing, the court said on Monday. Australian national Brenton Tarrant will be sentenced on August 24 on 51 murder convictions, 40 of attempted murder and one of terrorism arising from last year's massacre, the worst mass shooting in New Zealand's modern history. He has pleaded guilty to ...