BRUSSELS, BELGIUM - MARCH 22: A handout photo, published on Belgian Federal Police Department's Twitter account, shows a suspicious man, allegedly linked with today's multiple terrorist attacks, is driving a luggage cart at the Zaventem airport in Brussels, Belgium on March 22, 2016. Police ask for denouncement for the suspected terrorist, believed fled and runaway from police, if anyone see or get information about him.  At least 34 people were killed and more than 100 injured in multiple explosions at an airport and metro station in Brussels on today's morning. Metro stations were closed and flights to Zaventem airport diverted while the Eurostar rail service was also cancelled into and out of Brussels. (Photo by Belgian Federal Police Department's Twitter account/Anadolu Agency/Getty Images)