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SIMFEROPOL, Ukraine - Workers removed a sign at the entrance of the Crimean Parliament on Tuesday, not long after Crimean leaders endorsed a draft treaty with President Vladimir Putin that would make the region part of Russia.

The removed sign had read "The High Council of the Autonomous Republic of Crimea."

Crimea's parliament building in Simferopol on March 12, left, and on March 18, after the sign was removed.FILIPPO MONTEFORTE / AFP - Getty Images; Ed Flanagan / NBC News