Ronnie O'Sullivan says 'it is not fair' after referee warns Zhou Yuelong over shot at Northern Ireland Open

Ronnie O'Sullivan says "it is not fair" after the referee warns Zhou Yuelong over taking a long time to play a shot at the Northern Ireland Open. The Home Nations series is back with the Northern Ireland Open and it is live and exclusive on discovery+. You can also watch Seventh Heaven, a two-part show about Ronnie O’Sullivan’s historic World Championship win last season, on demand now.