Curbs in UK might get tougher after record increase in coronavirus cases

US distributes over 13 million doses of vaccines; 4.2 million administered

Prime Minister Boris Johnson on Sunday warned that the current tiered system of lockdown to arrest the spread of Covid-19 may have to be toughened further as the UK grapples with the new strain of the coronavirus.

As teachers’ unions have been calling for a countrywide closure of all schools for a few weeks due to the rapid spread of the new variation, Johnson insisted that parents should send their children to school from Monday in the areas where they remain open as the threat to young kids from the deadly virus is “very small”.

However, he admitted that even stricter restrictions