U.S. Embassy in Qatar was closed due to suspicious powder.

U.S. Embassy in Doha, capital of Qatar, to suspend work because of a suspicious white powder, reports Associated Press. The powder was found at the premises of the embassy on the morning of Monday, and he was sent for laboratory investigation.
The Embassy will be closed until the specialists do not determine whether the powder is dangerous to the health of employees. In doing so, the consular office of diplomatic representation will continue to provide emergency services to U.S. citizens.
Anxiety in the United States government agencies, including those abroad, from time to time arises because of a suspicious white powder: in 2001, this substance sent to U.S. authorities and editorial media has been anthrax, and led to the deaths of five people. In December 2008, unidentified provocateurs sent a letter with powder in many U.S. embassies.