Exclusive: Investigation into campaigning materials for local polls in May challenges tactical voting claims

Election leaflets are providing “grotesque” information about how to vote tactically in the May elections, using national polling data, “dodgy” bar charts and doorstep surveys to support claims about parties’ chances of winning.

Leaflets distributed by local politicians across England are claiming that only their party can win, or that another party “can’t win here”, when there is no good evidence to show this is true, a Full Fact investigation for the Guardian has revealed.