Investigators have now returned thousands of documents to their owners, Warwick said.

WSJ: National Archives discusses stolen documents case

Minogue described her as "one of my earliest musical inspirations", while Dionne Warwick said she was sad to lose a great performer and "dear friend".

BBC: Donna Summer, queen of disco, dies at 63

General secretary Cathy Warwick said midwifery-led units were not closed because of government policies, rather because of challenges to offer a full range of services in the face of economic pressures.

BBC: David Cameron