two blast walls, it contains the explosion so it doesn t go as much on to the base itself, but it amplifies it. it is between the two very solid bits of concrete. there seems to have been a mass casualty event. we re waiting to hear about the status of the afghan civiians and the u.s. casualties. richard, the intended effect of complex explosions like this, there in kabul? very simple. the pentagon and others, intelligence alerts that this would have been isis-k. now isis lost. they were yesterday s story. they lost their base, their
0 all right, david, thank you. we have a bit more breaking news to add to this, the pentagon spokesman saying we can confirm the explosion at a gate was the result of a complex attack that resulted in a number of u.s. and civilian casuacasualties. another explosion a short distance from the abbey gate also took place. our breaking news coverage continues now with craig melvin. good thursday morning. craig melvin here. we continue to follow breaking news in afghanistan. explosion outside of the airport in kabul. expected to be an ied attack. word a few moments ago from pentagon spokesman. another explosion near by at a hotel. while they have no confirmation who is behind it, the assumption is that it was caused by isis-k. a splinter group of isis. that group considered to be an adversary of the taliban. the airport already on high alert because of a threat attributed to that group. just in the last few minutes john kirby saying the explosion near the abbey gate at the kabul airport