Last week, it showed the Boris Johnson on 67 per cent and Jeremy Hunt on 29 per cent.
A few days later, YouGov found Johnson on 74 per cent and Hunt on 26 per cent.
Today, our survey shows Johnson on 72 per cent and Hunt on 28 per cent.
We have varied the standard question and added one to ask whether or not respondents have already voted. Seventy-one per cent of respondents say that they have done so (see below).