FAST FIVE: US COVID-19 Deaths Top 200k As 'Experts' Warn Of Fall "Apocalypse" As College Students Head Home: Live Updates
In other news, Britons are speculating about whether forcing pubs to close an hor later will really have an impact on COVID-19 infection rates.
But as students returned, infection rates increased.
After crossing this threshold, local governmetns are supposed to tighten regulations or impose localized restrictions.
The move is a reversal of the government's program to encourage commuters to return to city centers that have been transformed into ghost towns.
The UK recorded 4,368 new cases of COVID-19 on Monday, according to government data, the third day out of the past four in which daily cases were above 4,000.