A Welsh Black Lives Matter group has closed down citing the physical and mental safety of its members.
The Swansea Black Lives Matter branch posted an announcement on social media in which they blamed alleged attempts by South Wales Police to infiltrate the group, as well as being harassed by far-right activists.
The activity had led to potential members being put off from joining, it said.
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In a statement the group said: "It’s a tough announcement from us at BLMSwansea. We’re dissolving our organisation for a number of reasons, including the physical and mental safety of all of our team members.
"Whilst we have found that our organisation has done some important work, we have been subject to an attempt of infiltration at the hands of South Wales Police, doxxing and targeted harassment.... and some far-right members turning up at members’ homes.
"Swansea has proven to be a tricky place to mobilise, and we have found it difficult to find volunteers and a considerable amount of our members left (understandably so) when South Wales Police attempted their infiltration.
"We’ve had a great year and a half of organising but it’s time to dissolve our organisation, a decision which has been further cemented by the lack of community within organising spaces. We will leave all resources that we have shared for the community/organisations to use as they so wish.
"We deeply hope another progressive and proactive organisation appears that others can mobilise around in Swansea and our remaining members will wholeheartedly support that".
Last year Lowri Davies, an organiser with BLM Swansea, revealed an alleged covert police operation in which she claimed undercover officers attempted to get her to become an informant on the group.
The Swansea University law student claimed South Wales Police attempts to seek information from her about 'anti-social' activity that could include members from 'other organisations' had left her traumatised.
The force said at the time of the allegation the use of informants was a 'well-established and highly regulated tactic' used by police forces, and that a complaint about the alleged attempt to infiltrate BLM Swansea had been referred to the force’s Professional Standards Department.
Ms Davies said the alleged attempt to recruit her had resulted in a 'massive impact' on the group, leading to members 'drifting away', and that potential members had been put off joining. She said personal information including addresses of members and their relatives had been posted online, leading to members of the far-right turning up at their homes.
“It felt like we were fighting against the odds," she said.
A South Wales Police spokesman said: "We will neither confirm nor deny any specific details in relation to this matter.
"A complaint was received which refers to contact made by a covert officer. This is currently being investigated and therefore it would be inappropriate to comment further at this time".
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