The Court of Appeal has overturned the convictions of 14 men sentenced for their involvement in pickets in 1972.
Trade unionists who picketed during the national builders' strike were charged with offences including unlawful assembly and conspiracy to intimidate.
Lawyers for the so-called Shrewsbury 24 had argued the destruction of witness statements made their convictions unsafe.
Lord Justice Fulford said "what occurred was unfair".
www.bbc.co.uk/news/uk-england-shropshire-56494701
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