9/11 20 years live updates: President Biden to visit memorial sites
(NEW YORK) -- Saturday marks 20 years since the 9/11 terrorist attacks.Hijackers crashed two commercial airliners into the World Trade Center, striking the north tower at 8:46 a.m. followed by the south tower at 9:03 a.m. At 9:37 a.m., a third hijacked airline crashed... Read More.