"There is no need for Joe Biden to continue receiving access to classified information," President Donald Trump says.

He says the move, which covers non-elite levels, restores fairness but human rights advocates have condemned it.

The former president was signed to the same agency between 2017 to 2020, which also represents the Obamas.

The sweeping changes are affecting thousands of migrants, but how do they compare to past policies?

Unanswered questions and conspiracy theories have long dogged the assassinations, particularly the murder of President John F Kennedy.

Trump has pardoned almost 1,600 people charged in connection with the 2021 US Capitol riots.

The BBC's Analysis Editor explains how controversial pardons made by Biden and Trump stretched the limits of the power.

Trump launches a major immigration crackdown - though some of his plans could face stiff opposition.