The government is facing calls for tougher border measures following the news that a worrying Brazilian variant of the coronavirus has been found in the UK, The Guardian reports.

The Saudi crown prince, Mohammed bin Salman, approved the 2018 murder of the Washington Post journalist Jamal Khashoggi, according to a declassified assessment of the killing released to Congress by US intelligence agencies, The Guardian reports.Read more on this story here.

The Guardian leads with a warning that the UK could get more extreme winters after scientists said the Gulf Stream was its weakest for more than 1,000 years.

Teachers will have extended powers to decide exam results in England this year and will be not required to use previous results as a guide under new government plans, The Guardian says.