In her message to the Governor-General of New Zealand, Dame Patsy Reddy, the Queen said her prayers were with all New Zealanders.
The Queen said in her message: “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.
“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.”