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Ukrainian students saved by the 'last bell,' kicking off start of summer

Sergei Supinsky / AFP - Getty Images

Ukrainian students celebrate the last day of school in Independence Square in Kiev, on May 24, 2013. Students across Ukraine celebrated the end of the academic year on Friday, traditionally called the "last bell".

Sergei Supinsky / AFP - Getty Images

Ukrainian students jump in a fountain in Independence Square during a gathering of school graduates in Kiev, on May 24, 2013, as they mark "last bell" celebrating the day they leave school.

Gleb Garanich / Reuters

Secondary school graduates play in a fountain as they celebrate the last day of school in Kiev on May 24, 2013.

Students across Ukraine celebrated the end of the academic year on Friday, traditionally called the "last bell".