Tension on the Benfica bench triggers warning

Tension on the Benfica bench triggers warning and causes referee Sérgio Guelho to be questioned about the incident. The matter directly involves the Benfica team, the match referee, and the situation that generated the warning on the Portuguese team's bench. The tension allegedly arose during the match, resulting in an intervention that is now under analysis. The article reports that referee Sérgio Guelho was questioned about the events that triggered the warning on the Benfica bench.