Riot police guard a burnt branch of the Marfin Bank in Athens after a violent demonstration on May 5, 2010. Athens police chiefs mobilized all their forces, including those not on active duty, to restore order on May 5 amid rioting during protests against a government austerity drive. Police were put on a &#39;general state of alert&#39; to deal with the clashes after three people died in the bank that was firebombed on the margins of the demonstrations. AFP PHOTO / Aris Messinis