The man accused of killing 51 people in two mosques in New Zealand has changed his plea to guilty to all charges in a sudden appearance in court via audiovisual link on Thursday.Australian-born Brenton Tarrant, 29, was due to go on trial later this year on 51 charges of murder, 40 charges of attempted murder and one count of engaging in a terrorist attack. He had previously pleaded not-guilty to all charges.Police said Tarrant indicated he wanted to be brought before the court on Tuesday afternoon. Radio New Zealand said no explanation was given for his decision to change his plea.On March …READ FULL ARTICLE