More than fifty staff at Crown Post Offices across Wales have gone on strike over proposals to offer their sites to be franchised.
Protesters outside a branch in Neath raised fears job may be lost.
"We are specialised in what we do, but we are specialised in the Post Office" said Marilyn O'Connell.
"Where do [people] go after this, if they've given 20/40 years service?"
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Around 150 people turned out in Crickhowell High Street to oppose plans to convert a pub in the High Street into a convenience store.
Cloud will become more widespread this afternoon but expected to stay dry. Overnight, winds likely to strengthen with rain at times
Police say Richard Evans, a sergeant, has been dismissed without notice following a professional standards hearing.