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Riot police arrest a demonstrator during clashes in front of the parliament in Athens, Tuesday, Oct. 9, 2012. German Chancellor Angela Merkel got a hostile reception from ordinary Greeks Tuesday when she flew into Athens on her first visit to the country since its debt crisis erupted three years ago. (AP Photo/Nikolas Giakoumidis)

Greece protests Merkel visit

Greek police fired teargas and stun grenades at protesters in central Athens on Oct. 9 when they tried to break through a barrier and reach visiting German Chancellor Angela Merkel.