The man arrested this morning is the sixth suspect to be arrested - and the seventh person to be questioned - in connection with the Yewtree operation which involves a team of 30 officers and has already cost around £2 million.
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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.