The move came as fears ratcheted up across Europe of more hidden terror cells preparing similar strikes.
Italian Foreign Minister Paolo Gentiloni said Italian security forces were “working to identify five people” who may be planning possible attacks on St. Peter’s Basilica in Vatican City, Milan’s Duomo or the La Scala opera house.
The U.S. State Department issued a travel warning to American citizens traveling in Italy, calling those landmarks “potential targets” but also flagging possible threats to “churches, synagogues, restaurants, theaters, and hotels” in Rome and Milan.
Gentiloni told the Italian state television RAI that the FBI provided information about the five possible suspects.
The three-month extension of emergency laws grants the French government powers to conduct stops and searches, ban large gatherings in public places and place suspected extremists under house arrest.
In Belgium, police searched at least six homes in connection with Paris suicide bomber Bilal Hadfi, 20. No arrests were made. Hadfi blew himself up outside the Stade de France in Paris as part of the wave of deadly attacks that left seven assailants dead.
In separate sweeps, Belgian Federal Police searched two addition residences associated with Salah Abdelslam, the fugitive who is believed to have taken part in the
