World trade Centre Attack 2001 | 9/11 Memorial Events Mark 22 Years Since The Attacks | N18V An annual ceremony to remember those who died on September 11, 2001, is being held in lower Manhattan on Monday, 22 years after the World Trade Center's Twin Towers collapsed in the deadliest terror attack on U.S. soil. CBS News New York is streaming 9/11 memorial coverage starting at 8:25 a.m. ET with the reading of the names of those who were killed. #911 #twintowers #usanews #usnews #news18 #cnnnews18 n18oc_news