Deadly mosque attack: Ramaphosa sends condolences to New Zealand

President Cyril Ramaphosa has joined nations around the world in sending condolences to New Zealand following a deadly terrorist attack on two mosques in Christchurch on Friday.

The gun assaults left 49 people dead and another 20 seriously injured.

New Zealand police commissioner Mike Bush said four people were in custody after the "unprecedented" slaughter of Muslim worshippers.

"The government and the people of South Africa convey their deepest condolences to the families who have lost their loved ones and wish all the injured a speedy recovery," Ramaphosa said.

"The South African Diplomatic Mission in Wellington has been directed to provide consular assistance and support to any South Africans affected," the president added.

Mosque massacre explainer: Shock and sadness over the New Zealand shootings

Here is a list of stories, videos and tweets looking at the deadly attacks at two mosques in the quiet New Zealand city of Christchurch.