A spokesman for the Foreign and Commonwealth Office said security would be increased for tonight's tie.
We are aware of a serious incident involving British nationals in Rome.
We are in contact with the Italian authorities and the Italian police, who are investigating the incident and have confirmed there will be increased security measures for the game this evening.
We have been in contact with one British national and have been updated by hospitals on the conditions of all the others, some of whom have already been released.
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