The challenges facing the next Metropolitan Police Commissioner are "stark", says the Home Secretary.
The person Priti Patel chooses to replace Dame Cressida Dick, who quit on Thursday, will face immediate pressure to tackle issues including the force's culture and behaviour of officers.
Writing in the Evening Standard, Mrs Patel said: "Today, as I prepare to begin the process of choosing her successor, I want to reassure Londoners and people across the country of my commitment to selecting the right leader for the largest police force in the UK.