Jim Reeves, from the Communication Workers' Union, says the argument to close 70 Crown Post Offices is flawed because the business is profitable.
He spoke to ITV News Central outside the Kings Heath branch in Birmingham as staff went of strike this morning.
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A fresher start than recently, though with plenty of sunshine. Turning cloudier later in the day.
Dry with long spells of sunshine and light winds. Feeling very warm during the afternoon.
A former professional wrestler from Leicester who was at the centre of a "predatory" paedophile ring has been found guilty of sexual abuse.