A 28-year-old Australian man entered a mosque in central Christchurch on Friday afternoon and opened fire on people gathered inside the building - killing 50 people and leaving dozens more injured.
This is how the incident unfolded in local New Zealand Time on March 15.
1.40pm: First reports of a shooting at a mosque in central Christchurch.
A man entered the mosque with an automatic weapon and opened fire on people inside.
2.11pm: Police confirmed they were attending an 'evolving situation' in Christchruch.
Gunshots are heard in the area outside Masid Al Noor Mosque on Deans Avenue.
Witnesses reported hearing multiple gunshots, with one saying she attempted to give CPR to an injured person but they died.
2.17pm: Multiple schools went into lockdown in Christchurch.
People who were in the mosque began to leave covered in blood and with gunshot wounds.
2.47pm: First reports of six people dead, three in a critical condition and three with serious injuries.
2.54pm: Police Commissioner Mike Bush said the situation is 'serious and evolving' and told people to remain indoors and stay off the streets.
The Canterbury District Health Board activated its mass casualty plan.
3.12pm: New Zealand's Prime Minister Jacinda Ardern cancelled her afternoon