. >> that plane is now expectete to arrive at miami international airport later on today. >> airports in the united states reacted swiftly after news of the terror attacks broke overnight. while there's no specific threat here in the united states, police are ramping up security at airports in major cities. miami international airport was one of the first airports to begin putting heightened security in place following those attacks in belgium. nbc 6 reporter bobby brooks is there with re. bobby? >> reporter:hey, trina, good evening. i can tell you, i haven't seen so much security in an airport in a long time. they were not messing around. where i'm at, concourse g, this is where a flight was set to take off for brussels. that obviously didn't happen today. but a new flight has been scheduled. i want to show you on the board bbind me, it took off at 5:10, able to speak with some belgians heading ome. hearts. these are some of the passengers at m.i.a. they badly want to go home. but obviously they can't. the airport they're heading to right now was partially in ruruble. many people wer