Charles de Gaulle International Airport outside Paris was evacuated after a bomb threat Saturday, French media outlets reported. Delaying all flights until further notice, the threat came in the wake of three terrorist attacks in France, Kuwait and Tunisia Friday.

Few details were immediately available, although travelers posted a number of pictures on social media showing long lines headed toward the exits. The rest of the world first learned about the evacuation through the international airline alert system,

Before the bomb threat, police arrested the only suspect in an attack on a factory in Lyon in southeastern France Friday. While investigators were probing the case, police found a decapitated body at the scene close to flags associated with the Islamic State group. The French government raised the security alert level to the maximum across much of the country in response to the attack.