US Capitol Police say they have re-opened the Hart Senate building, following an evacuation.
Tests on a suspicious package were negative, Reuters reports.
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The World Health Organisation has rescinded its decision to appoint Zimbabwean president Robert Mugabe as a "goodwill ambassador".
The only way of dealing with British Islamic State fighters in Syria will be to kill them in almost every case, a minister has said.
A settled end to the weekend for many but a damp start to the working week