Nigel Farage in front of a poster that shows migrants queueing to cross the Croatian border into Slovenia Daniel Leal/Getty Images

Nigel Farage was condemned by MPs from every big party yesterday after unveiling a new poster depicting a long queue of migrants at the borders of the EU with the caption “Breaking Point”.

The Ukip leader drove through Westminster on a bus followed by ten vans showing the poster.

It uses a photograph taken in October of a group of migrants crossing the Croatian border to a refugee camp in Slovenia. Boris Johnson, who yesterday toured fishing ports in East Anglia, distanced himself from his fellow Leave campaigner.

“That’s not my politics and that’s not my campaign,” he said. “My view about this is that the loss of control over immigration is one aspect of a much wider problem, which is to do with the…