Sadiq Khan
The former prime minister inadvertently made the case for a Labour government.
The London mayor said his requests to attend government Cobra meetings were declined on multiple occasions.
Home secretary's makes latest "inflammatory" intervention ahead of pro-Palestine march on Saturday.
He has written to Sadiq Khan and the Metropolitan Police setting out his concerns.
The Labour leader is facing a growing backlash over his response to the war.
The Tories claim the scheme is part of Labour's "war on motorists".
Susan Hall has earlier been defended by home secretary Suella Braverman.
Susan Hall was accused of "dog whistle politics" over her comments at the Conservative conference.
London's mayor has announced a new scheme following the fallout from the Uxbridge by-election.
Sadiq Khan's clean air scheme has caused a rift with Keir Starmer after it was blamed for Labour's by-election loss in Uxbridge.