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.


US military says it's completed 13th consecutive night of strikes on Iran
Indian government seeks time on minister resignation demand
Israel launches military operation after deadly clash near Palestinian village
Irish police intercept car with 'significant' bomb near Northern Ireland border
Spain declares national emergency over wildfires near Madrid and in Avila
