British police have uncovered suspected cases of women being drugged and sexually abused as part of a wider international investigation into organised abuse networks linked to hidden online forums.

The National Crime Agency (NCA) said eight cases have so far been identified in the UK as part of a global probe involving around 270 suspects across multiple countries.

The Express understands eight people have been arrested in Britain and eight victims safeguarded, with officials warning the true scale of offending may be significantly larger.

Investigators believe additional forums remain undiscovered, where offenders allegedly discuss drugging partners, coordinating assaults and sharing abuse material online.

Hidden abuse carried out over years

According to investigators, victims are often sedated with drugs or alcohol before being assaulted, with some cases continuing for years without the victim’s knowledge.

In many instances, victims only become aware of what has happened after being contacted by police.

The NCA said it has produced 15 intelligence reports following information provided by German journalists investigating online abuse communities.

Officials say the forums appear to link individuals across countries and operate both online and offline, making detection more difficult.

Global investigation and arrests

As part of the wider international operation, ten additional suspects have been arrested overseas, reports the Daily Mail.

The probe has been described by investigators as one of the most complex examinations of coordinated sexual offending networks carried out in recent years.

Police say they are continuing to identify further suspects as digital evidence is analysed.

‘Deeply concerning’ scale of offending

Deputy Director Nigel Leary of the NCA said investigators were alarmed by the emerging pattern of abuse.

He said: “The scale of what we have seen so far has left us deeply concerned.

“Drug facilitated sexual assault is no longer isolated behaviour, but increasingly organised, conducted via coordinated networks and enabled by digital platforms, requiring a more sophisticated operational response.

“We and our law enforcement partners are clear in our message to anyone involved in this horrendous offending: if you drug, rape, facilitate rape, abuse, record abuse or coordinate these crimes online, we will identify you and your networks and bring you to justice.”

UK prosecutions already underway

In Britain, separate cases are already progressing through the courts.

Thirteen men are due to stand trial in September following a Greater Manchester Police investigation into alleged drug-facilitated sexual abuse of a woman allegedly orchestrated by her husband.

Officials say this case forms part of a broader pattern of abuse now being examined by law enforcement agencies.

CPS describes cases as among most disturbing seen

The Crown Prosecution Service said the offending uncovered in such cases represents some of the most serious abuse prosecutors have encountered.

Siobhan Blake, the CPS national lead for rape and serious sexual offences, said victims are being violated in what should be the most private and trusted environments.

She said: “The abuse we’re discussing is some of the most horrifying I have seen in my career. Victims are being subject to horrendous sexual offending in their own homes in an ultimate breach of trust.

“This offending thrives in secrecy online and behind closed doors. It is the job of the criminal justice system to bring it out into the open to deliver for victims and survivors.”

The investigation comes amid growing international concern following the case of Dominique Pelicot, jailed in France in 2024 for drugging his then-wife Gisèle Pelicot and facilitating her rape by multiple men over several years.