Hibernian beat Hearts 2-0 at Easter Road on Sunday to stay in second place in the Scottish Championship.
Jason Cummings broke the deadlock on the half-hour mark with a close-range finish and Farid El Alagui sealed a deserved home win for Alan Stubbs' team when he dinked the ball beyond keeper Neil Alexander in the last minute.
It was only a third defeat in 33 games for Hearts this season and the result ended Hibs' run of five derby matches without a victory.
Rangers remain third on goal difference following a 4-0 victory over Raith Rovers at Ibrox. Nicky Clark opened the scoring and on-loan Haris Vuckic was on target before Nicky Law netted a second-half double for Stuart McCall's side.
Queen of the South are now four points clear in fourth spot after a vital 1-0 win against Falkirk at Palmerston. Derek Lyle got the only goal midway through the first half for James Fowler's team.