It remains unclear how long Pope Francis will remain in hospital as he seeks treatment for a respiratory tract infection. Pope Francis’s respiratory tract infection has presented a “complex clinical picture” requiring further hospitalisation, the Vatican says. Vatican spokesman Matteo Bruni said on Monday that the pope is suffering from a “polymicrobial respiratory tract infection” that has necessitated a change in his drug therapy. There was no timeframe...

EXPLAINER The US, the largest military spender in the world, allocates $880bn to its defence – more than the next eight countries combined. European leaders are meeting in Paris for an emergency summit to discuss how to respond to United States President Donald Trump’s decision to hold talks with Russia to end the Ukraine war without European involvement. Monday’s meeting in the French capital follows the Munich Security...