Montpellier flyhalf Francois Steyn was shown a straight red card for a high tackle he made on Johnny Sexton during last night's European Champions Cup match in Dublin. Referee JP Doyle conferred with touch judge Wayne Barnes and the TMO, with red being the final outcome. The officials went through the checklist of requirements under the new dangerous challenge directives, leaving referee Doyle with little option, despite the protestations of Steyn, who felt that Sexton bent as he passed the ball. With Steyn off the field for a large part of the match, Leinster romped to a 57-3 victory. Watch the incident above, and full highlights below (not available in all regions)

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