A demonstrator passes a defaced Bank of Greece sign during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (John Kolesidis/REUTERS/John Kolesidis/REUTERS)
Passengers make their way in front of an immobilised ship at Piraeus port near Athens February 10, 2012. Greece's two major labour unions called a 48-hour strike for Friday and Saturday against the planned reforms by Greece's coalition government. (Yiorgos Karahalis/REUTERS/Yiorgos Karahalis/REUTERS)
A petrol bomb explodes near riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (Yiorgos Karahalis/REUTERS/Yiorgos Karahalis/REUTERS)
A demonstrator is seen behind a giant Greeek flag during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (Yiorgos Karahalis/REUTERS/Yiorgos Karahalis/REUTERS)
A demonstrator is detained by riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (John Kolesidis/REUTERS/John Kolesidis/REUTERS)
Riot police take up their positions at the Greek parliament ahead of protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (Yannis Behrakis/REUTERS/Yannis Behrakis/REUTERS)
Riot police grapple with a demonstrator during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (Yiorgos Karahalis/REUTERS/Yiorgos Karahalis/REUTERS)
Demonstrators confront riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012. (John Kolesidis/REUTERS/John Kolesidis/REUTERS)