TUNISIAN authorities will ban all gatherings and reduce working hours for employees in the public sector in order to stop the rapid spread of the coronavirus, Prime Minister Hichem Mechichi has announced. The decision was taken amid strong fears that hospitals in the North African nation will be unable to cope with a high number of patients because of the shortage of intensive-care beds. The total number of coronavirus cases has jumped to more than 20,000 compared with roughly 1,000 cases before the country's borders were reopened on June 27. In a speech announcing the latest measures to combat the…