“The matter has been referred to the police and the club is supporting the relevant authorities in their investigation to help identify those responsible and take appropriate action, which may result in criminal prosecution,” the statement continued.
Brentford emphasised safeguarding everyone present on matchdays remains paramount.
A spokesman said: “The matchday safety of fans, staff, players and officials is of utmost importance, and the club will support all efforts to ensure action is taken.”
Footage circulating widely on social media captured an individual kicking the rugby ball from a rooftop near the ground, with the object appearing to strike the stadium roof before landing.
