Coronavirus crisis deepens in US as restrictions return and cities go back into lockdown

The US state of Arizona has shut down bars, movie theatres, gyms and water parks, while leaders in several US states have ordered residents to wear masks in public. The moves are a dramatic policy shift amid an alarming resurgence of coronavirus cases nationwide. California has ordered bars in Los Angeles and six other counties to close as the city emerges as a new epicentre in the pandemic.