Athens (AFP) – Greece on Saturday marked the tenth anniversary of a deadly firebomb attack on a bank during anti-austerity riots, as a coronavirus lockdown raised fears of another recession.On May 5, 2010 a protest against debt-laden Greece’s first loan agreement with international creditors saw a firebomb lobbed at the Marfin bank in central Athens, leading to the death of three bank workers, including a pregnant woman. Three bank officials received manslaughter sentences but the culprits were never caught.The attack came just three days after the socialist government of George Papandreou sig…