40 dead in terrorist attack at two mosques in Christchurch

40 people have died as a gunman opened fire in two mosques in New Zealand, Prime Minister Jacinda Ardern informed, adding that it was a well planned terror attack.

At least one gunman who targeted crowded mosques in the New Zealand city of Christchurch killed a number of people on Friday, police said, with Prime Minister describing the shooting as "one of New Zealand's darkest days".

The police said they have taken four people in custody after the incident.

The mosques were packed with worshippers gathering for Friday afternoon prayers.

Australian Prime Minister Scott Morrison said that the gunman was a right-wing extremist with Australian citizenship,

Morrison said the shooting in Christchurch was carried out by "an extremist, right-wing, violent terrorist" who was an Australian-born citizen.