Luxury car company BMW is reviewing its ambassador deal with Sonny Bill Williams.
The move comes after complaints about the dual-code international and two-time World Cup winning All Black's associations with controversial Muslim clerics, Mufti Ismail Menk and Ebrahim Bham.
Menk is known for his extreme anti-homosexual views, and was once recorded as saying: "With all due respect to the animals, [homosexuals] are worse than those animals".
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Williams has been photographed with him several times and has tweeted about the pair, including retweeting one of Menk's quotes after his grandmother died last May.
Articles have appeared in a variety of publications about WIlliams' links with Muslim extremists and a number of people have complained about the associations on BMW's Facebook page.