New Zealand has suffered its worst mass shootings in the country's history. The Prime Minister Jacinda Ardern has announced that at least 40 people have been killed, and at least 20 injured, in Friday's attacks on two Christchurch mosques. 

Prime Minister Ardern described the incident as a terrorist attack.

The shooting began at about 1.40 p.m. local time. An armed gunmen attacked two mosques in Christchurch, killing dozens of people.

Police quickly locked down the city in response, including schools and government buildings. Within hours, police said four people were taken into custody -- three men and one woman.

In a social media post just before the attack, an account that is believed to belong to one of the attackers posted a link to an 87-page manifesto that was filled with anti-immigrant, anti-Muslim ideas and explanations for an attack.

One of the attacks was livestreamed on social media. The graphic video is below.

Here is the graphic video of the mass shooting (It starts around 6:00)

LINK TO GRAPHIC VIDEO

Here's what we know so far:

  • The victims: Forty-one people were killed at the al Noor mosque. Seven people died at the Linwood mosque, and one person died from their injuries in hospital.
  • The suspect: Police said a male in his late 20s has been charged with murder and will appear at the Christchurch court Saturday morning local time.
  • The manifesto: In a social media post just before the attack, an account that is believed to belong to one of the attackers posted a link to an 87-page manifesto that was filled with anti-immigrant, anti-Muslim ideas and explanations for an attack. The manifesto was not signed.