The Central line tube service to the Olympic Park in Stratford in east London has reopened after being suspended for three hours due to a fire alert. Trains in and out of Liverpool Street were earlier affected by signal problems.
London's mayor has said that "a lot" of the Olympic Games lanes have been "turned off". He was speaking on his way out of the daily COBRA meeting of security officials. There will be more details shortly.
He added that even the head of the International Olympic Committee, Jacques Rogge, has refused to use the lanes that are specially designated for Games officials and athletes.
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.