FILE - In this file photo taken on Monday, Feb. 28, 2011, Ales Mikhalevich, a candidate in Belarus' 2010 presidential election, is seen with banned national flag behind in Minsk, Belarus. Mikhalevich was arrested after the election and later gained political asylum in Czech Republic, and has now, Tuesday Sept. 8, 2015, been arrested while returning to Belarus after four years in exile.(AP Photo/Sergei Grits, FILE)