The Green MP Caroline Lucas has met protesters joining the Anonymous march on parliament.
Just been outside Parliament to join Protest against Austerity - some great drumming - all seems peaceful - hope it stays that way #MMM
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A top temperature of 11 Celsius (52 F).
The event, which was held at the Dorchester Hotel last Thursday, was attended by representatives of some of Britain’s biggest companies.
Reports in the Daily Mail and the Telegraph said published guidance has been changed for 2018 to only fly the Union flag on Remembrance Day.