Chelsea restored their lead at the top of the Premier League to seven points with a convincing win over Southampton at Stamford Bridge.
Eden Hazard and Diego Costa were both back in the starting line-up and were key figures, the Belgian putting Chelsea ahead with a low shot after five minutes.
Former Chelsea midfielder Oriol Romeu bundled in an equaliser for Saints before Gary Cahill headed the title pace-setters back in front right on half-time, a moment that effectively decided the destination of the points.
Costa confirmed Chelsea’s supremacy with a header early in the second half before scoring his second with a low shot late on.
Ryan Bertrand, another former Chelsea man, was on target in the dying seconds – but the victory was secured for Conte’s men.