Supporters of the far-right EDL marched on Downing Street in a protest sparked by the killing of a soldier outside his barracks in Woolwich on Wednesday. Scotland Yard said 13 arrests were made during the protest and counter-protest.
Police made several more arrests after a group of EDL supporters made their way back to Downing Street before being dispersed by police.
Scotland Yard said a total of 13 people had been arrested for a range of public-order offences throughout the day.
The figure is thought to include both EDL supporters and anti-fascist protesters.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.