Unions are protesting austerity measures the government is planning to implement in the debt-ridden country
A demonstrator passes a defaced Bank of Greece sign during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.
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.
A petrol bomb explodes near riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.
A demonstrator is seen behind a giant Greeek flag during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.
A demonstrator is detained by riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.
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.
Riot police grapple with a demonstrator during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.
Demonstrators confront riot police during protests against planned reforms by Greece's coalition government in Athens, February 10, 2012.