Leinster made it two wins from two in the Heineken Cup with a 19-7 victory over Castres at the RDS.
Jack Mc Grath with the only try for the hosts after Rory Kockott went over for the Top 14 Champions in the first half.
In the dying minutes Castres were denied a losing bonus point when the TMO ruled out a legitimate Pedrie Wannenburg try while the French team were down to 14 for the second time in the game.
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Leinster coach Matt O'Connor spoke to us after the game.