Celtic Park tonight.The pair were detained in connection with disorder offences as Celtic fans gathered to vent their frustrations at the board and manager Neil Lennon.Dozens of supporters headed to Parkhead following their side's 1-1 draw with St Johnstone, leaving Lennon's side with just 2 wins from their last 12 games.Video footage showed fans shouting expletives and calling for the manager and board to be sacked.Some fans could be chasing the team bus down as it left the ground in the east