The Celtic football team faces a penalty from UEFA after the Scottish club’s fans waved Palestinian flags during a Champions League playoff match against Israel’s Hapoel Be'er Sheva. The not-so-warm welcome was followed by a defeat for Israel: Celtic FC won the match 5-2.
The Union of European Football Associations (UEFA) forbids political statement displays at football matches.
https://www.rt.com/sport/356335-palestinian-flags-football-match/