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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Ibrahim Halil Dudu had just recently fled the war-torn country when his master sewing skills were desperately needed in his new home.
A police officer who sparked a terror alert by making a hoax 999 call to his own force has had his "unduly lenient" jail term increased.
Autumn weather arrives for the early part of the weekend, brighter on Sunday.