UEFA has opened disciplinary proceedings against Italy and Croatia following Sunday's European Qualifier in Milan.
Luka Modric faces three months on the sidelines with a thigh injury, the Croatian Football Federation has announced.
Croatia coach Niko Kovac has apologised for the ugly scenes in the crowd that marred his side's 1-1 draw with Italy.
Italy’s 1-1 draw with Croatia was briefly suspended when flares were thrown onto the pitch in Milan.
Croatia clinched a 1-1 draw against Italy in a European qualifier that was delayed in both halves due to unruly fans.
Italy midfielder Daniele De Rossi is ready to celebrate his 100th cap against Croatia at the San Siro on Sunday.
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