brussels airport
'We Are at War': Europe Responds to Brussels Terror Attacks
Crisis meetings have been held by governments across the continent and armed police deployed to borders, airports, transport hubs and the streets of major cities.
In Photos: The Aftermath of Brussels Terror Attacks
Belgian police had been on alert for any reprisal action following Friday's arrest of Salah Abdeslam, the main surviving suspect of the November's attacks in Paris.
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