The Police did not give any official statement.Some witnesses described the operation in the station as a chaotic scene. There was noise and people was runing after being asked to move quickly out. By 2 a.m., police were packing up and removing the cordon that had been set up around the station. Local media report that police were looking for three suspects described as “dangerous”. Police gradually began reopening Paris’ Gare du Nord train station early on Tuesday morning. The country is under a state of emergency imposed after a series of Islamic extremist attacks. The Gare du Nord offers connections with several urban transport lines, including Paris Métro, RER and buses. By the number of travellers, at around 214 million per year, it is the busiest railway station in Europe and the 24th busiest in the world.