Teams taking part in matches in all of UEFA's competitions in the coming days will wear black armbands and observe a minute's silence following Friday night's events in Paris.
On Saturday, UEFA also issued a statement expressing support to France in the wake of the attacks in the French capital.
The statement said: "UEFA is deeply shocked and saddened by the tragic events which occurred in Paris last night and wishes to express its support and solidarity to France and to those affected by these horrible acts."
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