There was a flashpoint between Nottingham Forest and Brentford staff before Saturday's Premier League fixture at the City Ground.
Tension rose before kick-off during the warm-ups, with Brentford players and coaches apparently unhappy by the presence of Forest groundstaff on the pitch as they went through their pre-match paces.
Footage captured from the City Ground press box showed a mixture of Brentford players and coaches confronting Forest staff, who were carrying out their work in the half of the pitch that the visitors were warming up in.
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Brentford assistant manager Brian Riemer and goalkeeper coach Manu Sotelo then approached referee Andre Mariner before the issue was eventually resolved.
Steve Cooper's side were looking for back-to-back home triumphs following on from their shock 1-0 win against Liverpool a fortnight ago. Morgan Gibbs-White had put the home side ahead before Bryan Mbuemo's penalty levelled things up on the stroke of half-time.
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