(Bloomberg) -- Boris Johnson is expected to announce the government’s plan for quarantining travelers arriving in the U.K. to stop the spread of new coronavirus strains from overseas. The prime minister will chair a meeting of senior ministers on Tuesday to weigh up options for requiring new arrivals to isolate in hotels. “There will be an announcement on this issue later on today,” U.K. Vaccine Minister Nadhim Zahawi said on Sky News on...