Protesters have taken part in a mass sleep out across the country against the Government's so-called 'bedroom tax' and other welfare changes.
This picture sent by an activist was reportedly taken in Penzance, Cornwall.
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He said people have handed over thousands of pounds in good faith, only to find the advert has nothing to do with Mr Lewis or his company.
The memorial service will be attended by Prince Harry and Meghan Markle.
David Browning admits manslaughter by diminished responsibility but denies murder.