Mario Balotelli has been recalled for an Italy training camp this week so that coach Roberto Mancini, speaking on Wednesday, can see if the striker is able to "help" in the World Cup playoffs in March.
Balotelli, who made the last of his 36 international appearances in September 2018 and has scored 14 goals for Italy, now plays for newly-promoted Turkish side Adana Demirspor
Lazio issued a statement condemning the behaviour of "a very small minority of fans".
Mario Balotelli had to be held back by players from both teams to stop him from leaving the field of play.
Mario Balotelli showed off a new goal celebration as he took a selfie video with his teammates and posted it on Instagram during the game.
Eight games into the French league campaign, Mario Balotelli is still goalless and coach Patrick Vieira left him out.
Mario Balotelli's place could be taken by either Andrea Belotti or Ciro Immobile.
The Nice forward was heavily criticised for his performance in his first competitive game for Italy.
Mario Balotelli got new Italy coach Roberto Mancini off to a winning start by scoring the opener in a 2-1 win over Saudi Arabia in a pre-World Cup friendly in Saint Gallen on Monday.
Mario Balotelli was booked for gesticulating angrily at the crowd in the game on Saturday.