A Poland fan waits for the start of the Group A match against Russia in Warsaw.
Ireland fans cheer before Group C match against Croatia in Poznan.
A Swedish supporter awaits the start of the Group D match against Ukraine in Kiev.
Spanish fans cheer outside PGE Arena before their team's first match, against Italy, in Gdansk.
Russian fans celebrate during their Group A match against Czech Republic in Wroclaw.
A Czech Republic supporter cheers her team on against Greece in Wroclaw.
Polish riot police stand guard during clashes with fans before the Group A match between Poland and Russia in Warsaw. REUTERS/Kai Pfaffenbach
A German supporter gets into the spirit before the match against Netherlands in Kharkiv.
Fans watch a public screening of the Germany v Netherlands match at the Fan Mile in Berlin. REUTERS/Thomas Peter
A Denmark fan shows his support before the match against Portugal in Lviv.
Danish fans react after the Portugal match in Lviv.
Police patrol with dogs in the fan zone in Kiev.
Netherlands supporters react at the end of their team's Group B match against Germany in Kharkiv.
A Dutch fan shows his disappointment after his team's match against Germany in Kharkiv.
An England fan has a drink in Donetsk, before his team's first match, against France.
Euro 2012, which nears the completion of its first week today, has already thrown up some memorable moments, and fans have been coming out in droves to support their teams.
This selection of images by Reuters photographers captures the mood of the tournament so far.
