President Putin denies links to a palace featured in a video by his arch-critic Alexei Navalny.

The bot asked about people's Covid vaccination status, breaching a policy on private medical data.

Dominion seeks $1.3bn in damages over a campaign claiming its machines switched US election votes.

It is the first time civilian victims of the highly toxic chemical will have their cases heard.

Laboratory tests suggest antibodies can recognise and fight the UK and South Africa variants.

Rioters attacked police and set fires to protest against a night-time curfew introduced on Saturday.

Several were hurt in the incident three days ago at the Naku La pass in Sikkim, Indian media say.

The head of France's scientific council suggests a third lockdown is needed amid spread of variants.

Western nations have criticised "harsh tactics" against protesters supporting Russia's opposition leader.

Israel has vaccinated more than a quarter of its population and now high school students are eligible.