A New Zealand's national flag flies at half-mast in front of the parliament buildings in Wellington, capital of New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
A New Zealand's national flag flies at half-mast in front of the parliament buildings in Wellington, capital of New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
A New Zealand's national flag flies at half-mast in front of the parliament buildings in Wellington, capital of New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
The site of the terrorist attacks is sealed off in Christchurch, New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Lu Huaiqian)
The site of the terrorist attacks is sealed off in Christchurch, New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Lu Huaiqian)
Bunches of flowers are presented near the site of the terrorist attacks in Christchurch, New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Lu Huaiqian)
Locals are interviewed near the site of the terrorist attacks in Christchurch, New Zealand, on March 16, 2019. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Lu Huaiqian)
Media crews wait in front of a court in Christchurch, New Zealand, on March 16, 2019. A 28-year-old man was due to appear in a court in Christchurch on Saturday morning, in connection with the mass shootings in the New Zealand city on Friday. (Xinhua/Li Huizi)
New Zealand Prime Minister Jacinda Ardern addresses a briefing in Wellington, capital of New Zealand, on March 16, 2019. Jacinda Ardern reiterated to the public on Saturday morning that the country's gun law will be changed. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
New Zealand Prime Minister Jacinda Ardern reacts during a briefing in Wellington, capital of New Zealand, on March 16, 2019. Jacinda Ardern reiterated to the public on Saturday morning that the country's gun law will be changed. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
New Zealand Prime Minister Jacinda Ardern addresses a briefing in Wellington, capital of New Zealand, on March 16, 2019. Jacinda Ardern reiterated to the public on Saturday morning that the country's gun law will be changed. Gunmen opened fire in two separate mosques in Christchurch on Friday, killing 49 people and wounding 48 others. (Xinhua/Guo Lei)
