Three people have been killed in an accident at a Sao Paulo stadium that is due to host the opening ceremony of the 2014 World Cup football.
A senior local fire official said crews were called to the Arena Corinthians after reports of a collapsed crane.
It reportedly fell on to the stadium, destroying parts of the stands.
The arena was due to be completed at the end of December to meet a Fifa deadline. Brazil has admitted it is struggling to have all 12 venues ready.
�Round-the-clock� warning
Reports in local media say the crane fell on the metallic structure of the stadium, which is also known as Itaquerao.
Part of the stand � believed to be in the southern sector � was damaged.
Rescue teams are checking the site to see if there are more victims.
Corinthians, the club that will move into the new stadium, said in a short statement that it �deeply regrets the accident�.
The venue is being built by Brazil�s Odebrecht company, who recently said the arena was about 94% ready.
Six of Brazil�s stadiums � including Itaquerao � are not yet ready for the World Cup next summer.
Construction problems and public protests about the money being spent have delayed the preparations, the BBC�s Wyre Davies in Rio de Janeiro reports.
On Tuesday, Danny Jordaan, who was behind South Africa�s preparations for the 2010 World Cup, said Brazil might have to start round-the-clock construction work if it was to get things ready for the tournament.
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