BANGKOK — A driver killed 35 people and injured another 43 when he deliberately rammed his car into people exercising at a sports center in the southern Chinese city of Zhuhai, police said Tuesday. Police had detained a 62-year-old man at the sports center in the southern Chinese city of Zhuhai following the ramming late Monday, on the eve of the country’s premier aviation exhibition by the People’s Liberation Army that’s hosted annually in the city. [time-brightcove not-tgx=”true”] One of the four hospitals that took in people for treatment said it had more than 20 injured, state media reported Monday. No motive was mentioned, and police said investigations continued. Police identified the man only by his family name of Fan, consistent with the practice by Chinese authorities.