A crowded parking lot on the Strip collapsed this afternoon after a massive sinkhole opened without warning, pulling roughly twenty vehicles into a widening drop. Witnesses captured the first moments on shaky phone video as pavement split apart, cars slid at sharp angles, and a thick cloud of dust rose over the lot. Traffic shut down instantly as people ran from the area, shouting that the ground was still moving. No officials were on scene yet when the footage was taken, adding to the raw shock