agreed. to say national security correspondent jennifer griffin with the latest from the pentagon. [sirens] the explosion struck a residential area where thousands of international representatives are housed. more than 16 civilians killed over 100 wounded. the taliban claimed responsibility. the massive truck bomb rocked kabul as president trump s lead negotiator ambassador khalilzad s interview tentative agreement aired last night on local afghan news. we have reached an agreement with the taliban in principle but, of course, until the u.s. president agrees with it, it isn t final. the u.s. would withdraw by mid january 5,000 troops of the 14,000 deployed from five bases across afghanistan. but the taliban claims that all u.s. troops will leave afghanistan in the next 24 months, which the president has denied. we re going to keep a presence here. we are roofing that presence very substantially. and we re going to always