Sadiq Khan will face questions from the London Assembly today about his plans for London's budget.
The Mayor's budget includes the capital's Police and Fire Services as well as transport and the environment.
Mr Khan will call on the Assembly to join his campaign against national Government cuts to the Met's funding.
Sadiq Khan will face questions on his first budget as London Mayor today.
Mr Khan will be asked whether cutting funding for police officers could put Londoners at risk.
Members of the London Assembly will also question the mayor on how TfL could save eight hundred million pounds each year.
An angry stay-at-home mother attacked the Deputy Prime Minister during his weekly radio phone-in on LBC 97.3, accusing him of thinking what she did was a "worthless job".
The caller, named as Laura from East Dulwich, said to Nick Clegg: "I'm just wondering why the coalition is discriminating against mothers like me who care for their children at home, with the latest announcements?"
Her scathing attack came after it was announced in the Budget that a tax-free childcare scheme worth £1,200 a child for parents earning up to £150,000 would come into effect from 2015.
There was some good news in the Budget if you are trying to buy a home in the capital.
The Government says it can help buyers with finding the money to get on the property ladder. But people who rent may still struggle.
Simon Harris reports.
The London mayor Boris Johnson said he "warmly welcomed" the Chancellor's announcement that homebuyers would get help to get loans.
The editor of the London Evening Standard has apologised today and launched an investigation after details of the Budget were published on Twitter before the Chancellor's speech. Sarah Sands has said a staff member had been suspended.
The paper had been given a copy of the Budget but agreed not to publish it until the Chancellor had presented it in the House of Commons. However, a copy of the Standard's front page appeared online before George Osborne spoke.
The Harlow MP Robert Halfon was praised by the Chancellor George Osborne for campaigning for a measure in the Budget to scrap the fuel duty rise scheduled for September.