The protest took place outside Thales in Glasgow early on Wednesday.
The singer canceled her Wednesday, July 3 show in Bern, Switzerland following medical advice
Sky News understands that Lovecrafts, which is chaired by the media veteran Sir Peter Bazalgette, is working with Interpath Advisory on a sale. Founded in 2012, Lovecrafts is backed by leading growth investors including Highland Ventures, Balderton Capital and Scottish Equity Partners. Sir Peter, who became chairman in 2018, is a former chairman of ITV and one of the most prominent figures in the media industry.