Paris police evacuated the Gare de l'Est train station Friday, Jan 16, after a bomb threat, as authorities across Europe pressed on with efforts to prevent new violence after the worst terrorist attacks in decades, the Associated Press reports.

The Paris prosecutor's office, meanwhile, said 10 people were arrested in anti-terrorism raids in the region, targeting people linked to a gunman who attacked a kosher supermarket and claimed ties to the Islamic State.

The developments, coming on the day that U.S. Secretary of State John Kerry arrived to "share a big hug with Paris," came a day after Belgian police killed two suspected terrorists in a firefight and arrested a third man.

A French police official said the Gare de l'Est station was closed "as a precaution." The official, who was not authorized to be publicly named, would not give further details. The station, one of several main stations in Paris, serving cities in eastern Paris and countries to the east.

In Berlin, police arrested two men Friday morning on suspicion of recruiting fighters for the Islamic State group in Syria.