St Petersburg governor Alexander Beglov issued a rare call for residents to stay indoors during the attack.
More than 32,000 casualties from the despot's army were reported in April.
This will be the first stop for the exposed Americans before they are taken to another country in Europe. The destination countries have not yet been named.
One responder was filmed in a hazmat suit wiping what appeared to be a stain on a wall at Ginza Six shopping complex.
Search is ongoing for missing workers trapped underground.
During the Siege of Sarajevo in the 1990s, European tourists have been accused of paying to shoot at innocent civilians in the war-torn city.
Mohammed Mahdi,a sergeant major in the Maldivian military,was said to have fallen ill on the third day of the recovery mission (Pictures: AP)
Scientists believe that a hidden layer of rock beneath Bermuda has kept the island elevated for millions of years (Picture: Getty Images)
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