Video: 'Building weakened by WTC attack collapses'
(Tuesday, September 11, 2001, 5:20:33 p.m. EDT; during the September 11 attacks, part of terrorism in the United States and the War on Terror) — 7 World Trade Center, also known as the Salomon Bros. Building, a 47-story building that had sustained damage from falling debris and widespread fires, collapsed this afternoon. Continue reading 7 World Trade Center collapses in Lower Manhattan 20 years ago this hour #OnThisDay #OTD (Sep 11 2001)