WATCH: Trump remembers 9/11 victims and heroes at Steel Across America anniversary event

Nearly a quarter century after a day "etched forever into the memories of Americans," President Donald Trump honored the victims of the Sept. 11, 2001, attacks on Tuesday by vowing to "never forget."

Nearly a quarter century after a day "etched forever into the memories of Americans," President Donald Trump honored the victims of the Sept. 11, 2001, attacks on Tuesday by vowing to "never forget."