Richard Benjamin, of anti-sectarian group Nil by Mouth, said serious investment was needed to tackle bigotry.

BBC: NEWS | UK | Scotland | Efforts stepped up to end bigotry

"Nil by mouth" and "I must not eat and drink" are written on the signs.

BBC: Norman Betchley

"The delegation will also meet representatives from the anti-sectarianism organisation Nil By Mouth, Strathclyde Police and Glasgow City Council, " he added.

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Norman Betchley, who had a nil by mouth sign above his bed, choked and died after taking the pill in 2009.

BBC: Norman Betchley

At an inquest into Mr Betchley's death, where a narrative verdict was recorded, the coroner praised the hospital for improving its nil by mouth signs.

BBC: Norman Betchley

Colchester Hospital said it has since made changes to its nil-by-mouth signs to make them more prominent.

BBC: Norman Betchley

Speaking to the BBC, Mr Betchley's son, Stuart, said there had been an A4 "nil-by-mouth" sign on the wall above his father's hospital bed.

BBC: Norman Betchley

The family said these were removed after a few days, but when they next visited there was a nil-by-mouth sign above her bed and they also found faeces under her finger nails.

BBC: Essex