According to the French Minister of Interior, Bernard Cazeneuve an investigation which used the collaboration of many European services as well as significant technical means led to a large scale police operation in the Argenteuil dans le Val-D΄Oise in Paris
During the operation a block of flats was evacuated while a man was arrested. An area around the building was secured and an explosives team was standing by in case a device had to be deactivated, something which did not occur.
The minister, who revealed the information while the operation was still developing, stated that the arrested man “is involved to a terrorist attack which aimed at our country” and has the French citizenship.
Mr. Cazeneuve added that the “arrest is the result of many weeks worth of careful investigation” from the internal security services.