Labour leader Sir Keir Starmer says it appears Boris Johnson has breached Covid laws at the event.
More than 70 people have been killed after Friday night's storms, with the death toll expected to rise.
Newcastle seek January deal for Jesse Lingard, Manchester United make striker shortlist, top prospect rules out Premier League move, plus more.
More than 70 people died in Kentucky in Friday night's storms, including dozens in a candle factory.
Conor Benn takes a big step towards a world title shot with a clinical knockout of Chris Algieri in Liverpool.
David de Gea speaks of his fears after Manchester United team-mate Victor Lindelof leaves the pitch with breathing difficulties during Saturday's win over Norwich.
Zlatan Ibrahimovic scores a late equaliser for AC Milan against Udinese, becoming just the third person in the 21st century to score 300 goals across Europe's top five leagues.
Sunday's back pages
Austria has become the first country in the EU to make vaccinations mandatory, from February.
