this again reportedly was triggered by a volcanic eruption and perhaps a water slide. that's why everyone was caught off guard because there was no warning. again, that band that was performing, the leader saying his manager, his bass player and his wife all missing. >> yeah. moving on now to developments in washington, d.c. the resignation of a second senior u.s. official in protest of president trump's decision to pull u.s. forces out of syria. brett mcgurk was america's top diplomatic person in the global fight against isis despite battlefield gains, mcgurk believed the mission was not finished and he viewed president trump's move as reckless. let's bri e first of all, tell us more about the integral role that mcgurk played in that region. >> he had probably the hardest job in the administration.