Just 15 per cent of Labour members were opposed to holding a poll on whether Northern Ireland should become part of the Republic

Two thirds of Labour Party members support a referendum on Irish reunification, polling for The Times has found.

Four in ten back the break-up of the UK with Scotland becoming an independent country. In a stark contrast to the party’s longstanding pro-union agenda, only 41 per cent of members oppose Scotland leaving the UK.

The results follow years of declining political influence for Labour north of the border, with the party holding seven Scottish seats at Westminster.

In the Scottish parliament Labour is in third place with 23 MSPs behind both the Scottish National Party and the Conservatives.

In a wide-ranging YouGov poll of more than 1,100 Labour Party members only 15 per cent said they were opposed to holding a poll on whether Northern