SIR - I have just been checking out the constitution of the Conservative Party.

The safeguarding of that Party's constitution is in the hands of a body called “The Constitutional Convention of the Conservative Party” (itself made of of MPs, MEPs, some Lords and some rank and file members)

To bring about constitutional change within the Tory Party requires:

(a) A supermajority of 66per cent-plus of those members of the Convention actually voting and (b) At least 50per cent of those entitled to vote. We may note that the advisory referendum on EU membership June 2016 achieved: a 52per cent majority of those voting and a 37per cent level of support within the electorate as a whole.

Both of these latter figures are significantly short of those required to bring about constitutional change within the Conservative Party.

It is an outrage that Mrs May and her Conservative government are seeking to bring about a constitutional change of huge magnitude - with far-reaching adverse consequences - when her own party sets a much higher bar for change within that party's constitution.

It is high time we had (metaphorical) barricades in the streets and (metaphorical) blood running in the gutters.

John Cole, Oakroyd Terrace, Baildon