Manchester City strengthened their hopes of a top-four Premier League finish as a slick second-half display saw off a subdued Southampton.
Injury-hit skipper Vincent Kompany headed David Silva’s left-wing corner past keeper Fraser Forster’s weak save for his first goal in 20 months.
Leroy Sane drilled in Kevin de Bruyne’s pass after a quick counter, with Sergio Aguero’s far-post volley sealing it.
Pep Guardiola’s side are now five points clear of fifth-placed Everton.
Mid-table Saints failed to create many chances against a City side well-marshalled by Kompany, Dusan Tadic blazing over with their best opportunity before the break.
Claude Puel’s side, who were bidding for three successive league wins for the first time under the Frenchman, remain in ninth place.