LONDON (Bloomberg) — Workers at Royal Mail Group Plc, the U.K.'s state-owned postal service, are planning a second strike as part of a dispute over pay and cost cuts.Royal Mail and Post Office Ltd. workers will walk off the job for 24 hours starting 7 p.m. on July 12, the Communications Workers Union said in an e-mailed statement yesterday.

There is "overwhelming support" from workers "to achieve both a decent pay rise and an agreed approach to automation and major change", CWU Deputy General Secretary Dave Ward said in the statement. If an agreement is not reached, "there will be further strike action."

Workers at the company held a 24-hour strike on June 29, London-based Royal Mail's first industrial action in 11 years, after talks over salary increases and company cutbacks collapsed.