Big four in tennis still the ones to beat, says Djokovic
Roger Federer, Rafael Nadal, Andy Murray and himself — were still the favourites to win Grand Slam titles in 2019
David Harding
Qatar to quit Saudi-dominated OPEC in 2019
The decision was ‘technical and strategic’ and had ‘nothing to do with the ‘blockade’, says Energy Minister Saad al-Kaabi
