Sharapova, ranked second in the world, outplayed Azarenka, who had beaten her in the Australian Open final and the Indian Wells final during her 26-match unbeaten run this year.
Police say they are waiting for interpreter so they can question the detainees, who have not yet been charged with any crime.
The Russian army began military maneuvers along the border with Ukraine with the involvement of 8500 troops.
German Chancellor Merkel said if Russia continues with its course it could cause itself massive political and economic damage.
The European Union agreed on a framework on Wednesday for its first sanctions on Russia since the Cold War, a stronger response to the Ukraine crisis than many expected and a mark of solidarity with Washington in the drive to make Moscow pay for seizing Crimea.
M alaysian authorities said on Thursday there was no evidence that a jetliner missing for almost six days flew for hours after losing contact with air traffic controllers and continued to transmit technical data.
Syria is now the biggest humanitarian and peace and security crisis facing the world, with violence reaching unthinkable levels, UN chief Ban Ki-moon said.
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