and wallid ferris joined us, and his sources saying at least three explosive vests have been located at the airport. >> the big question, who is behind these attacks. that's something we just don't have the answer to right now. it is all speculation at this point. and it is very fluid. as you've been saying, belgian news has reported 23 dead at this point. more than 30 people have been injured. five explosions altogether this morning. >> wallid said that perhaps, an indicator that this is slightly different than previous terror attacks, specifically the paris attack, is thecitementing in this. initial timing being reported by the belgian media is that the explosions occurred at the airport. then some 80 minutes later, an additional explosion. the first one at the first subway site which was molenbeek, near the e.u. the timing is 8 0 minutes betwen the two. in terms of who is responsible, that would be slightly different than the paris attackers. we do not know who's responsible. no one has claimed responsibility. of course, it comes on the heels of the arrest of salah abdeslam on fri

wallid ferris was on earlier and said the attacks, 80 minutes apart. this day may not be over. investigators still concerned that something else could happen. >> the patience these guys show. they go to syria, train in 2013, come back in 2014 and wait for the go sign. >> some have not been able to get to syria, they say, great. head to europe, stay there, you might be of more assistance to us. >> experts saying everything is coordinated. look at 9/11. >> right. >> the other thing about this fellow heather was profiling is he was able to hide on the streets of belgium for months. >> an urban area. not like he's hiding in a cave in afghanistan. he needed help. >> the unabomber -- one of the reasons for that is the police simply don't have good penetration into the community. we'll hear from a former ambassador later, mr. gutman, talking about high unemployment there. the other thing is belgium sends more fighters to isis than any other european nation. >> assimilation has been a real problem. i covered this in the netherlands years ago, ten-plus years ago. it was a problem then t