panic, filling the plaza around independence monument. traffic has come to a standstill. masses of works have blocked the streets. clouds of dust a riling from falling pieces of facades. those images we showed you a short time ago of the facades collapsing and the wide angle videos from across the city, that is the dust that was rising up from around mexico city. two men claimed to calm a woman with blood trickling from a small wound on her knee. again, it s this sort of facade collapse that is causing the dust that you saw on all of those videos. we re told it s not fires. continuing the associated press, at a nearby market, a worker in a hard hat walked around outside of the building warning people not to smoke as they were smelling cooking gas in the