Inter Milan have lost 3-0 at home to struggling Bologna in Serie A to leave Claudio Ranieri’s job hanging in the balance.
Marco Di Vaio struck twice in less than a minute in Friday’s first half following two shocking defensive mistakes.
Robert Acquafresca sealed the result in the 86th after another Inter lapse.
Inter were on a streak of eight successive victories, resurrecting their title chances, but the team have now gone six games in all competitions without a win – a run which includes five defeats.
Napoli leapfrogged Inter into fifth after two Edinson Cavani goals helped them win 3-0 at Fiorentina. Bologna extended the gap on the relegation zone to seven points.