One person has been treated for smoke inhalation after a letter bomb went off inside ING Bank in Amsterdam on Thursday.
An investigation has been launched to identify where the package came from.
A total of 11 packages rigged with explosives have been delivered to different businesses across several Dutch cities over the last few weeks.
All failed to explode expect two letter bombs that detonated - - one in Amsterdam, while another in Limburg province - on Wednesday. No one was injured in both instances.
British PM Starmer to send four Typhoon jets to Qatar
Bombing of Tehran intensifies as war enters day six
Azerbaijan vows to respond after four injured by Iranian drones
72 killed in Israeli attacks on Lebanon as it warns residents to leave south
Nepal goes to the polls; voters seek change after youth-led protests
