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Sharks and Springbok wing Makazole Mapimpi has been slapped with a two-week ban for "making contact with the eye or eye area" of Union Bordeaux-Begles scrumhalf, Maxime Lucu, during their 32-3 Champions Cup win at Kings Park.
BBC Sport takes a look at five things we learned after a thrilling penultimate weekend of Champions Cup action.
London Irish had two players red-carded in a 28-14 defeat to South Africa's Stormers on Sunday which ended their Champions Cup last 16 hopes.
Stormers coach John Dobson admitted that rugby had "a problem" dealing with the "complex" safety laws after the Champions Cup saw no less than five head contact-related red cards in one weekend, including two in their clash with London Irish on Sunday.
The Stormers scored four tries to defeat London Irish 28-14 at the Brentford Community Stadium in the Champions Cup on Sunday, in a game marred by two red cards for the hosts.