The 36-year-old former Manchester United man had to be pulled back from Friend after a heated exchange in the tunnel.
Friend gave Tottenham a penalty after consulting the VAR monitor and ruling Barnes to have handled in the box.
Caretaker boss Mike Jackson made his feelings known from the touchline as the Clarets squad all protested against the decision on the pitch.
Bardsley was spotted walking over towards Friend and waving his finger in anger at the decision.
Tempers flared in the bowels of the Tottenham Hotspur Stadium as Clarets players and staff continued to remonstrate with Friend.
Footage shows Bardsley appearing to march over in the direction of Friend, reports The Sun.
Then a member of the Clarets backroom team lead him away as he fumed with the decision.
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