Sadiq Khan’s campaign has called for an investigation of a Conservative leaflet made to look like a penalty charge notice.
Labour has called for the Crown Prosecution Service to investigate whether a leaflet by the Tories’ London mayoral candidate breached electoral law.
Lawyers for the party have written to the Director of Public Prosecutions (DPP), Stephen Parkinson, after Conservative Susan Hall’s campaign sent yellow and black leaflets featuring the words “Driving charge notice, do not ignore”.
Labour said the leaflets were designed to look like penalty charge notices “to lure voters into opening them”, while inside they contained claims Mayor Sadiq Khan was planning to introduce a pay-per-mile scheme for drivers.
Mr Khan has repeatedly ruled out introducing such a charge and accused Ms Hall’s campaign of spreading misinformation.
In their letter, Labour’s lawyers asked the DPP to investigate whether the leaflets had been properly labelled as political advertising, leading voters to fear “financial loss” by voting for Mr Khan.
Labour MP Karen Buck, who chairs Mr Khan’s campaign, said: “We’re now seeing tactics being used by the Tories which rival even those used in their disgraced 2016 mayoral campaign.
“The Tories are scaremongering people who are already worried about their bills thanks to the catastrophic cost-of-living crisis they created.
“These tactics are legally questionable and certainly mark another low in this desperate Tory campaign characterised by dirty tactics and lies.
“Sadiq has ruled out ever bringing in pay per mile as long as he’s mayor – no ifs, no buts.”
Labour added that Mr Khan’s campaign, along with those of the Green Party and Liberal Democrat candidates, had signed up to the Reform Political Advertising Code, which commits parties to “make every reasonable effort not to mislead voters” and “ensure that factual claims are accurate according to recognised sources”.
The CPS and Ms Hall’s campaign have been approached for comment.
