Royal Mail has reached an agreement with its main trade union in their long-fought wrangle over pensions, pay and working conditions. The company and the Communication Workers Union have been in dispute for nearly 18 months about the decision by Royal Mail to close its final salary pension scheme to future accruals in March this year. The move prompted the CWU’s more than 100,000 members to vote in favour of strike action last year, although this was blocked by a High Court injunction. Now the two sides have reached an agreement - although its details will not be released until senior officials at the union and Royal Mail's board have approved it.