omen

The statement sounds like an omen and a definition of Brazil's recent history.

"Throughout history, people thought of it as a bad omen. But really, it's just the refraction of light through Earth's atmosphere - the same effect that gives us red sunsets," said Dr Bloomer.

Revellers will hope the headliner's name is not a bad omen for the event that had to be cancelled last year due to "extreme weather".

"Convicting opposition leaders one after another is not a good omen for any democratic system, and it will seriously damage our already fragile democracy," Bukhari said.

When the players changed ends, the bird followed Swiatek to the other side of the court, which Petkovic took as an omen.