Fireworks thrown by Croatia fans temporarily paused their team's Euro 2016 qualifier with Italy.
The clash at San Siro was tied at 1-1 late in the second half when the Balkans' visiting fans hurled flares on to pitch, which caused fire crews to rush on to the pitch in the 73rd minute.
In the 76th minute players were briefly led down the tunnel as riot police were brought into the stadium in an attempt to settle the raucous Croatian supporters.
A few minutes later the smoke was dispersed and play could restart but nobody was able to add to Antonio Candreva's opener and Ivan Perisic's leveller, which came in the first 15 minutes of the match.
Coincidentally, Uefa's delegation at San Siro on Sunday was its vice-chairman of Control & Disciplinary Boards, Jacques Antenen, from Switzerland.
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