A series of cartoons poking fun at Boris Johnson are set to put pollution at the heart of next month's local election campaign.
A new war of words erupted today in the increasingly bitter dispute over ticket office closures on London Underground.
Political cartoonist Gerald Scarfe gets bar named after him and his 'own personal art gallery' in Holborn hotel.
Boris Johnson's refusal to endorse cartoons shows the mayor has had a "sense of humour failure", the campaign group behind the posters said.
Clean Air London has released a series of cartoons featuring the mayor as he tries to deal with some of "most important air pollution themes" in the capital.
“We asked the Mayor to endorse the cartoons to stimulate debate on many of the most important air pollution themes in London," Simon Birkett, Founder and Director of Clean Air in London, said.
"Amazingly, Boris’s refusal to do so has done more to promote the cartoons than his endorsement would have done. People may now be laughing as much at Boris’s sense of humour failure as the wonderful cartoons themselves."
A series of posters mocking Boris Johnson for his response to the capital's pollution problems have been released by an environmental campaign group.
The images, commissioned by Clean Air London, all feature the Mayor of London as he attempts to address the key environmental issues affecting Londoners.
Poor air quality is said to contribute to more than 4,000 premature deaths in the capital every year.
Boris Johnson was accused of "dangerous complacency" after he claimed London's air quality seemed "fine" during "very high" levels of pollution earlier this month.
Labour has criticised Boris Johnson as a "part-time" mayor amid continued speculation that he will return as an MP before the end of his current term.
Renewed speculation in newspapers today suggested that Mr Johnson would announce his intention to stand for parliament at next year's general election by the summer.
A Labour source said the party would attack the mayor if he to "further his own political interests at the expense of the needs of Londoners".
Shadow justice secretary Sadiq Khan tweeted: "Wouldn't it be great if London's part-time mayor cared about our future as much as he cares about his own?"
Former mayor Ken Livingstone added: "Whether Boris Johnson is an MP, in the House of Lords or wherever it will make no difference as he doesn't do the day job as it stands, he leaves it to all his deputies."
London commuters will find out if First Great Western train workers are to go out on strike later today as the ballot closes for industrial action. Results are expected around lunchtime. The dispute is over dismissal procedures, agency working and zero hours contracts.
Tower Hamlets council has welcomed Scotland Yard's decision to halt the investigation into allegations against their elected mayor.
Police said Lutfur Rahman will face no further action "at this stage" over claims of fraud and financial mismanagement by the BBC Panorama documentary.
The Bangladesh-born mayor had strenuously denied the allegations.
A council spokesperson said: “The news from the Metropolitan Police is to be welcomed and Tower Hamlets will continue to work with the Auditors and DCLG."
Scotland Yard has halted its investigation into allegations of fraud and financial mismanagement against an elected mayor after finding no evidence of criminality.
Bangladesh-born Lutfur Rahman, mayor of Tower Hamlets in east London, will face no further action from the Metropolitan Police "at this stage".
A statement said:
The files have been reviewed by a team of officers over the past six days. In addition, officers have liaised with Pricewaterhouse Coopers LLP (PwC) who are conducting a full and wide-ranging audit of financial matters at the London Borough of Tower Hamlets.
There is no credible evidence of criminality within the files to provide reasonable grounds to suspect that fraud or any other offence has been committed at this stage.
– Scotland Yard
Therefore the MPS will not be investigating at this point in time and believe that it is appropriate for the material to be reviewed further by PwC and DCLG. We will continue to liaise with them, should their audit uncover any evidence of criminality.
Denver used a referendum in its battle to replace Stapleton Airport with the new DIA in the 1990s. @itvlondon
Political cartoonist Gerald Scarfe says he's tried to include most of Britain's most notable characters, from Charles Dickens to David Beckham.
His huge murals have been hung on the walls of the new 'Scarfes Bar' in the Rosewood London hotel in Holborn.