Christine Lagarde

Letter bomb explodes at Paris IMF's office; Greek ties seen

French prosecutors are investigating a possible Greek link after a letter exploded Thursday at the Paris' office of the International Monetary Fund, lightly injuring one person.

The IMF incident came as a Greek anarchist group claimed responsibility for a letter bomb sent to the German Finance Ministry the day before.

The Paris prosecutor's office said Thursday night investigators found "residues of Greek stamps" on the letter bomb at the IMF's office in the French capital.

French President Francois Hollande called Thursday's explosion in Paris "an attack" and noted "a similarity with another event of the same nature in Berlin. ... We are...