We know the names of the suspects in the airport bombings. Two brothers. Khalid and ibrahim bakraoui, identified as the suicide bombers. The third man, the man in white with the black hat, hes been identified as Najim Laachraoui, already wanted in connection with the paris attacks. There are some reports he has been arrested. I want to say that nbc news has not been able to independently confirm those reports. Now, raids are being carried out all across brussels. One of them led to the discovery of what investigators are calling a bomb making factory. The attacks are inspiring a show of solidarity around the world. Iconic landmarks across europe and the u. S. Have been lit in belgiums national colors. Black, coyellow and red. We want to start with nbcs keir simmons, joining me right now here in brussels. What can you tell us . Conflicting report, but a key suspect has been arrested, its not going to help the tension here. There has been fear here in the city and across europe ever sinc