Behzad Mirzaei, who has lived in Hong Kong for three decades, is losing sleep as tensions involving Iran escalate, worried about his elderly mother in Tehran. The founder of the Persian Club is among Hong Kong’s small Iranian community who are watching the war with mounting anxiety, waiting for daily updates and fearing for loved ones thousands of kilometres away. “Every night before I go to sleep, I have this nightmare – that anxiety – about what will happen,” the 57-year-old said. “On a few...