IT’S seldom Shannon players are left with the feeling of having been “mugged” at fortress Thomond Park, but this was one such rare occasion.

Shannon slipped to fourth in the Division One standings after Clontarf overcame a 13-point deficit to down the champions.

Belfast Harlequins 16 Clontarf 27

Dolphin 9 Clontarf 18

Cork Constitution 20 Clontarf 10