Celtic fans interrupted their Scottish Premiership match at Dundee with a protest against the club's hierarchy.
Tennis balls and even oranges were thrown onto the pitch in an organised protest from supporters.
This prompted the referee to halt the game moments after kick-off.
There were chants of 'sack the board' from the away fans as banners were also raised.
Players and staff were forced to join in picking up and removing the balls from the pitch so the match could restart.
Goalkeeper Kasper Schmeichel was seen trying to get the protesters to calm down, but his pleas fell on deaf ears.
The game was stopped for around three minutes before the referee was able to resume it.
Commentating on the game for Sky Sports, James McFadden said: “I don’t think this will be the last protest w