Parliamentary authorities have stepped up measures to limit the spread of coronavirus as many MPs continue to shun masks in the Commons chamber. The UK Health Security Agency has determined the risk of transmission of Covid-19 on the parliamentary estate has increased. New measures include the cancellation of non-parliamentary business activity such as tours, and banqueting activity at the Palace of Westminster. Face coverings are already compulsory for staff, contractors and journalists—although not MPs—and chairs of meetings will be urged to take a stronger role in ensuring compliance with the rule. A parliamentary spokesman said: “The House’s priority is to ensure that those on the estate are safe while business is facilitated. “There have been recent increases in Covid-19 across the country and these are also being reflected in Parliament. “The UK Health Security Agency (UKHSA) has determined that the risk of transmission on the parliamentary estate is now greater. …