Hong Kong police have arrested a man on suspicion of discharging fireworks at Tsim Sha Tsui’s Avenue of Stars. A video circulating on social media since Sunday shows a man with a braid igniting a firework at the waterfront promenade near K11 Musea. In the clip, the man was heard speaking in Mandarin, repeatedly telling the person filming to stop recording. Officers from the Yau Tsim police district arrested a 21-year-old man from mainland China in Tsim Sha Tsui on Monday afternoon, a force...