That banner came after Napoli’s fans were pictured with another one on their ferry trip to largely rural Sardinia which read “sheep hunting”.
The match was stopped for seven minutes as both home and away ends supporters threw projectiles and flares.

Antonio Conte’s side were already leading at that point through Di Lorenzo’s wildly deflected 18th-minute opener, and Kvaratskhelia and Lukaku showed signs of a burgeoning partnership by setting each other up for the goals which sealed the three points by the 70th minute.

Buongiorno nodded home the fourth in stoppage time to make it a perfect night for Napoli and set up a mouth-watering clash with Juve.

Inter gave up their league lead as Denzel Dumfries saved a point for the champions with three minutes remaining after Dany Mota’s brilliant 81st minute header threatened to give Monza their first win under new coach Alessandro Nesta.

Simone Inzaghi’s side, who would have moved a point above Napoli with a win, created very little in a largely drab encounter at the U-Power Stadium and will need to improve at City on Wednesday night, with the Milan derby also coming up next weekend.