One in five staff working at Rotherham, Doncaster and South Humber NHS Trust say they have experienced physical violence while at work.
A quarter of respondents also said they had experienced harassment or bullying.
More than 380 members of staff were questioned by the trust, which is responsible for the delivery of mental health services.
To read teh full report on the BBC News web-site go to: http://www.bbc.co.uk/news/uk-england-south-yorkshire-14185027
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