Sports leagues around the world held a moment's silence after the tragic Christchurch terror attack rocked New Zealand on Friday.
Forty-nine people so far have been confirmed killed at two Christchurch mosques, while 48 patients, including children, are being treated in Christchurch Hospital.
New Zealand Prime Minister Jacinda Ardern called it "one of New Zealand's darkest days".
The news caused shock around the world, with sports leagues in Australia and the UK taking a moment's silence to honour the people who lost their lives.
There was a minutes silence ahead of game three of the Australian National Basketball League (NBL) grand final between the Perth Wildcats and Melbourne United.
One player had ' For Christchurch' written on their shoes.
"Like everyone, we are shocked and saddened by the events in Christchurch. New Zealand is an integral part of our league, and we have a number of New Zealand players, coaches and officials across the NBL, some of whom will be competing tonight in very trying circumstances," said NBL chief executive Jeremy Loeliger.
"The thoughts of the entire NBL community are with the people of New Zealand during this very difficult time and all players, officials and fans will observe a minute's silence before tonight's game in Perth as a mark of respect."
NRL CEO Todd Greenberg tweeted that all clubs will observe a minute's silence prior to their matches this weekend.
Players involved in the Newcastle Knights' win over the Sharks wore black armbands.
Adelaide United also paid their respects ahead of their match against the Perth Glory in the A-League.
Players also wore black armbands in the AFLW match between the Greater Western Sydney Giants and Geelong.
One of the Giants' players, Haneen Zreika, is Muslim, and admitted it was tough to prepare for the match.
Meanwhile, in the UK, the English Rugby Football League confirmed there would be a moment's silence ahead of all Super League matches this weekend.
Wales rugby captain Alun Wyn Jones also sent out his thoughts at their captain's run ahead of the Six Nations clash against Ireland.
"On behalf of the Welsh Rugby Union players and staff, we pass on our respects to all those affected by all the events that have gone on in New Zealand.
"Obviously there are close links with a lot of our staff and a few players. So we would like to extend that."
Ireland captain Rory Best also sent out his condolences.
"I think waking up this morning to that news, it's just really really tragic, and our heartfelt sympathies go out to all the families and anyone in that greater Christchurch area and anyone with family over there," he said.
"Obviously we have Joe [Schmidt], Greg Feek, Bundee [Aki] has family in New Zealand, Ronan O'Gara, good friend of a lot of the squad, he's over there as well, it's just one of that tragedies that's really hard to put into words
"You feel very helpless, all you can do is pass on your deepest sympathies, and it is really really tragic.
"Definitely it was the talk of the team room this morning at breakfast, everyone was shocked and saddened by it."