Post Office workers have walked out in a fresh dispute over pay, potentially resulting in 114 branches being unable to open.
Members of the Communication Workers Union (CWU) at Crown Post Offices - the larger branches often found on high streets - went on strike on Saturday.
Union members in administration and supply chain networks will strike on Monday.
The industrial action means there will be no cash collections or deliveries to post offices tomorrow, the union warned.
However the Post Office said it expected the "vast majority" of its branches to be unaffected by the strike...
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