Greece's Giorgos Karagounis, left, and Poland's Sebastian Boenisch clash during their Euro 2012 Group A match at the National Stadium in Warsaw. Kai Pfaffenbach / Reuters
Greece's Giorgos Karagounis, left, and Poland's Sebastian Boenisch clash during their Euro 2012 Group A match at the National Stadium in Warsaw. Kai Pfaffenbach / Reuters
Tournament starts with a bang as Greece earn a draw but also miss a penalty against the hosts with both teams having a man sent off. Duncan Castles reports from Warsaw.