Postal workers who staged an unofficial walkout after 12 of their colleagues were suspended over bullying allegations have returned to work.
Seventy-five Royal Mail staff walked out of the depot at Burslem, Stoke-on-Trent after 12 staff members were suspended.
A spokesman for Royal Mail said all staff reported to work on Wednesday.
He added investigations into the bullying allegations would begin as soon as possible.
The 12 staff have been suspended on full pay while the inquiry is carried out.
On Tuesday, Royal Mail said the walkout would cause disruption to postal deliveries in the city but staff were working to return services to normal.
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