Coronavirus live news: US has given over 400m jabs; Protesters in Rome try to break into PM’s office

CDC says 187 million people in US are fully vaccinated; About 10,000 people join protest against mandatory Covid certificates

• Unions call for tighter Covid safety measures in schools
• Russia reports record daily death toll as Kremlin shrugs off lockdown
• Anti-vaccine chiropractors sowing misinformation
• See all our coronavirus coverage

Russia reported 968 coronavirus-related deaths on Saturday, its highest single-day death toll since the start of the pandemic.

There were 29,362 new cases recorded in the last 24 hours, the government coronavirus task force said.

Singapore's transport minister has said the country will allow quarantine-free entry to vaccinated travellers from Denmark, France, Italy, the Netherlands, Spain, the UK, Canada and the US.