Urgot / Xin Zao - possible bug

Hello, I have encountered several incidents where I played Urgot and I was using my ulti on Xin. He should be supressed, but somehow, he was able to use his ulti and interrrupt mine. And yes, I am pretty sure, that interruption was caused by Xins ulti. I do not know what data from games you are storing; it happened in this game: http://matchhistory.eune.leagueoflegends.com/en/#match-details/EUN1/1361022644/36541806?tab=overview
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