Palestinian authorities said a grave site discovered at the Nasser hospital, the main medical facility in central Gaza, contained nearly 400 bodies
Japan reversed an easing of controls late last month as omicron spread around the world and has one of the world's strictest border policies.
Although COVID-19 cases have fallen dramatically since a deadly wave in August, there is growing concern about the omicron variant, which has been found more than 30 times in Japan, mostly during airport screening and quarantine.