Police began their sweeps of all embassies and consulates after the blasts , the Italian ministers said . NEW : A note found with the bombs mentions a protester killed in Greece , state - run media says . An anarchist group claims responsibility for the bombings at the Swiss , Chilean embassies . A Greek official disputes an Italian minister 's claim that the bombs originated in Greece . Two people were injured , one seriously , in the bombings , according to police .
NEW : A note found with the bombs mentions a protester killed in Greece , state - run media says . An anarchist group claims responsibility for the bombings at the Swiss , Chilean embassies . A Greek official disputes an Italian minister 's claim that the bombs originated in Greece . Two people were injured , one seriously , in the bombings , according to police .