Hong Kong police have arrested five men on suspicion of selling fake tickets to Cantopop star Sammi Cheng’s sought-after concerts. Police said on Tuesday that they arrested five mainland Chinese men, aged between 34 and 46, last Friday for allegedly selling counterfeit tickets for Cheng’s concerts, which is running until Sunday at the Hong Kong Coliseum in Hung Hom. Police said they received multiple reports by people who purchased tickets online or outside the concert venue, but were later told that their tickets were invalid. “Upon investigation, police found that such tickets bore the anti-…