Police investigated reports of people feeling unwell after eating chocolate purchased at Mansfield market in Nottinghamshire.

A woman was arrested "on suspicion of administering a noxious substance" and was helping police with their inquiries, Nottinghamshire Police.

In response to rumours the chocolate had been "laced with drugs", the force said tests were being carried out.

"At present there is no evidence to support claims that the chocolate bars contained any illicit drugs," Detective Inspector Luke Todd said.

The chocolate bars were reportedly sold in orange Cali-Gold boxes and golden wrappers at Mansfield market on Saturday.

Police urged anyone who had bought the chocolate, but not eaten it, to contact them.

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Dr Kakoli Choudhury, from the UK Health Security Agency (UKHSA), said anyone who had eaten the chocolate and developed symptoms should call 111 or their GP.

"The small number of people who became unwell have fully recovered," he said.

"Investigations are ongoing about what may have caused the illness."

The Food Standards Agency (FSA) is investigating whether the chocolate was sold anywhere else.

Tina Potter, head of incidents, said the agency was working alongside police and the UKHSA and local authorities.