Travelers are facing delays at the busiest train station in Europe.

French Transport Minister Philippe Tabarot reportedly told Sud Radio there was “no fear” of an explosion.

On social media, masses of passengers were seen waiting for updates after train service was suspended.

Gare du nord in Paris

Exterior of the Gare du Nord train station in Paris.Credit:querbeet/Getty Images

The station is ranked as the largest in Europe by passenger traffic,according to Railway Technology.