Responding to waves of migrants crossing the English Channel over the last few days, Tory MP Natalie Elphicke called French's handling of the situation "outrageous".
As of Tuesday, France had a seven-day average of 556 infections per million people – compared with the UK's 25 infections per million.
The prime minister hinted that 'tougher measures' will be imposed at the border amid fears over the South Africa and Brazil coronavirus variants.
The French Health Authority has said that previous infection gives initial immunity so just one dose is needed.
The 6pm curfew will be in force for at least 15 days and anyone found outside at that time without an official reason will face fines.
The government faces a huge obstacle over the coming months – as its people are among the most sceptical in the world towards the vaccine.
France is struggling to bring down its COVID cases ahead of a planned lifting of its second national lockdown.
Back in France and hoping it's not all a case of deja vu, Enable and her smitten jockey Frankie Dettori will always have Paris, regardless of what drama unfolds there this Sunday.
The cities of Paris and Marseille were declared high-risk areas of COVID-19 after a surge in cases.
Transport secretary Grant Shapps said Brits returning from France before 4am on Saturday won't have to quarantine for 14 days.
The warnings come as the World Health Organization (WHO) said the virus is surging back in most countries that previously had it under control.
Veronique describes the moment she saw her husband after being called to the hospital.
The two, aged 10 and three, were unharmed by the fall but might have suffered from smoke inhalation, French media reported.
The fire brought back memories of the devastating blaze in Notre Dame cathedral in Paris last year.
Priti Patel has said migrants crossing the English Channel should be 'intercepted at sea' and returned to France.