The Prince of Wales has sent a message to the people of New Zealand in which he says the New Zealand attack is "beyond all belief". 49 innocent people have so senselessly died, with so many more seriously injured.
Meanwhile, New Zealand's police confirmed the reports about multiple fatalities at two mosques and said that one individual was in custody.
At least 49 people were killed in attacks on the Al Noor Mosque in central Christchurch and the Linwood Mosque in the city's outer suburb, in what appeared to be the worst attack on Muslims in a western country.
New Zealand's Prime Minister Jacinda Ardern called the shooting a well-planned terrorist attack in a press conference, saying the shooters had "extremist views" that have "no place in New Zealand or the world".
One man will appear at a Christchurch court on Saturday.
Police found two explosive devices attached to the suspects' vehicles, which have since been disarmed.
A forth person arrested on Friday who was in possession of a firearm, but with the intention of assisting police, has since been released.
Speaking at the funeral of a former minister, Erdogan said the anti-Islam hatred that motivated the attacks "has rapidly started to take over Western communities like a cancer".
The Queen was joined in her condolences by British Prime Minister Theresa May.
"Police are now in attendance at a property of Somerville Street, Dunedin", the New Zealand force said on Twitter. "So, across the churches of Christchurch and Canterbury, we are praying for our Muslim brothers and sisters; for those injured and those who have lost loved ones; for the police, ambulance and other emergency services; and for all in the city of Christchurch who are feeling distress and fear due to this event".
European Commission President Jean-Claude Juncker tweeted that he learned of the attack "with horror and profound sadness". "It's unbelievably nutty. I don't understand how anyone could do this to these people, to anyone". "London will always celebrate the diversity that some seek to destroy".
The MCB said two mosques in Newcastle and Manchester had been targeted by vandals who spray-painted Nazi swastika symbols in the past two months.
"Far too often, Muslims suffer unimaginable loss and pain in the places where they should feel safest", Trudeau said in a statement.
Australian rapper Iggy Azalea took to Twitter, writing: "Thinking of New Zealand".
"Together with our intelligence partners we continually monitor the varied threats we face, including to and around places of worship and specific communities across the country", he said. "Our heartfelt Duas go out to all of the victims, their families and the Muslim communities that have been tragically affected by the gunmen who killed our brothers and sisters half way across the world", the center stated in a post on Facebook.
The Gulf countries followed suit and offered their condolences to the families of those affected by the attack.
Australian Prime Minister Scott Morrison said: "Australians stand with all New Zealanders today during this dark time where hate and violence have stolen their peace and innocence".