Dominic Cummings says the public are not worried about high-skill workers, who should be encouraged to enter Britain

Theresa May must drop her pledge to reduce net migration to the tens of thousands and hand high-skilled workers the right to come to Britain, the director of the Leave campaign has said.

Dominic Cummings, who was the strategic brains behind the Vote Leave campaign, said that the public were only really concerned about the number of unskilled workers entering the country from Europe and elsewhere.

In a series of tweets, he said that the pledge on migration was a “crap metric” devised by David Cameron and George Osborne to deal with the pressure they were under.

Mr Cummings, who worked as an adviser to Michael Gove during his time as education secretary, said his immigration policy would win “80 per cent support”.

He said