Queen Elizabeth says she's "deeply saddened" by the horrific terror attacks in Christchurch.
Forty-nine people have been confirmed killed in the mass shootings at multiple mosques, with dozens others thought to be injured.
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Some of the victims are children.
In a statement, Queen Elizabeth offered her "thoughts and prayers" for New Zealanders.
“I have been deeply saddened by the appalling events in Christchurch today. Prince Philip and I send our condolences to the families and friends of those who have lost their lives," she said.
"I also pay tribute to the emergency services and volunteers who are providing support to those who have been injured.
"At this tragic time, my thoughts and prayers are with all New Zealanders."
Friday's attack is the worst terror attack in New Zealand's history, and saw the national security threat level raised to 'high' for the first time.
Three people are in custody and one man has been charged with murder, set to appear in court on Saturday.