Police are investigating an alleged spiking incident in the Houses of Parliament last week.
First reported to parliamentary authorities, the investigation has now been passed to the Metropolitan Police.
A spokesperson for the Met said: “Police received reports of an alleged spiking at an establishment in the House of Commons, on Tuesday 7 January at around 6.30pm.
“The investigation is ongoing and the victim is being supported by officers.
“There have been no arrests at this stage.”
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A spokesperson for the House of Commons said: “We are aware of an incident which took place on the parliamentary estate in early January, which was reported to parliamentary security and is now being investigated by the Metropolitan Police Service.”
Politico reported the alleged incident happened in Strangers’ Bar, one of the on-site venues on the parliamentary estate that serves alcohol.
The alleged victim is understood to be someone who works in parliament, but not a politician.
Concerns have resurfaced at various times about the serving of alcohol in parliament, with some saying alcohol should be banned.
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Jenny Symmons, the chair of the GMB union branch based in parliament for those who work on the estate, said: “This incident will understandably cause fear and distress across the parliamentary community, and with every story of abuse that makes headlines, there are likely to be more that go untold.
“We send our complete solidarity to victims of abuse in our workplace and are here to support any staff members feeling unsafe or upset in relation to this news.”