BANGKOK, Thailand – A massive 7.7 earthquake that rocked southeastern Asia Friday led to the collapse of a skyscraper in Bangkok.Jack Brown’s dash camera was rolling when the quake struck Friday.  Video shows a multi-story building under construction swaying then toppling to the ground in a cloud of debris and dust as astonished drivers look on.Officials fear thousands across Southeast Asia are missing or dead following the major quake. The quake was centered just over 600 miles away near Mandalay, Burma, according to the U.S. Geological Survey. A very strong 6.4 aftershock struck 12 minutes later.