TIRANA, Albania --
Police in Albania say they have arrested a man who claimed to have flown a drone carrying a nationalist banner over a stadium in Serbia last year during a European qualifier, in an incident that prompted fan violence and a diplomatic spat between the two countries.
Authorities say 33-year-old Ismail Morinaj was arrested with three other men as part of a major security operation on the eve of the return match in Elbasan, Albania.
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Two handguns, ammunition, and 36 match tickets were seized.
Police have taken tough security measures for Thursday's game, deploying 1,500 officers, and enforcing a huge traffic cordon around the stadium.
Fans will have to show identification and be searched before entering Elbasan Arena.
Albania is currently third in Group I with 11 points from six matches.