At least 31 municipalities have called off Tokyo Olympics and Paralympics "Host Town" programs to welcome overseas athletes for training camps and cultural exchanges before the games due to COVID-19 concerns, a government source said Wednesday.Chiba Prefecture, east of Tokyo, said it was told on April 14 that the United States' athletics federation would not hold a pre-Olympic camp there out of concern for the safety of athletes.Ono City in Fukui Prefecture in central Japan has also called off its Host Town program for East Timor's delegation. The government source said it has begun trackin…READ FULL ARTICLE