The gunman who shot and killed 51 people at two mosques in Christchurch on March 15 last year has been jailed for the rest of his natural life.

Australian national Brenton Tarrant, 29, was sentenced at the High Court in Christchurch today to life without the possibility of parole on 51 charges of murder, 40 charges of attempted murder and a charge of committing a terrorist act.

It is the first time this sentence has been handed down in New Zealand. Tarrant, through Crown-appointed counsel Pip Hall QC, did not oppose life without parole.

Read more: 9News (Australia)