Portugal reimposes rules as Covid-19 cases rise

Portugal, which has one of the world's highest rates of vaccination against Covid-19, announced it would reimpose restrictions to stop a surge in cases, ordering all passengers flying into the country to show a negative test certificate on arrival.

"It doesn't matter how successful the vaccination was, we must be aware we are entering a phase of greater risk," Prime Minister Antonio Costa told a news conference on Thursday.

"We have seen significant growth...