A falling tree has killed 13 people and 49 injured others at a festival in Madeira.
A regional health official said 10 of the 12 died at the scene of the Nossa Senhora do Monte religious festival in the capital, Funchal.
They added that of injured, seven were seriously hurt.
Initial reports suggested the tree collapsed onto a stall selling candles, according to the Portugal Resident newspaper.
Witnesses reported the large tree had already been leaning and had been secured with a steel cable, they added.
Local media reported that the downed tree was more than 200 years old.
Portugal's Prime Minister, António Costa tweeted that "I express my condolences for the victims of the accident in Madeira."
He added that his "thoughts are with the family and friends of the victims".
Portugal's President Marcelo Rebelo de Sousa also expressed his condolences for the victims, and said he will travel to the island.
In a statement posted on his website, Mr de Sousa wrote: "I will go to Funchal today [Tuesday] to learn more about what has happened, and, of course, to bring words of encouragement and comfort to those who have lost their loved ones."
The remainder of the island's biggest annual festivity has reportedly been cancelled.
The regional government of Madeira has declared three days of mourning for the victims.
Madeira is an autonomous Portuguese island in the Atlantic Ocean.