KEY POINTS:
• A 28-year-old man, Australian-born Dunedin resident Brenton Harrison Tarrant, has appeared in court this morning charged with murder after Friday's Christchurch mosque shootings
• He has been remanded in custody without plea until April 5 - and smirked as he stood in the dock
• 49 are confirmed dead following the terrorist shootings at two Christchurch mosques
• 41 were killed at mosque near Hagley Park, seven at Linwood, and one died in hospital
• More than 40 people were hospitalised with a range of injuries, including a critically hurt 5-year-old boy flown to Starship
• Shooter had five weapons including two semi-automatic guns - and PM Jacinda Ardern says: 'Our gun laws will change'
• The Queen and Donald Trump are among world leaders who have shared messages of support for NZ
• Events around the country have been cancelled today, including Polyfest in Auckland, Pride in Wellington and Bryan Adams in Christchurch