President Trump on Tuesday said a deadly attack in New York City was carried out by a "sick and deranged person."

"In NYC, looks like another attack by a very sick and deranged person. Law enforcement is following this closely. NOT IN THE U.S.A.!" he tweeted.

In NYC, looks like another attack by a very sick and deranged person. Law enforcement is following this closely. NOT IN THE U.S.A.! — Donald J. Trump (@realDonaldTrump) October 31, 2017

Trump commented just hours after a person drove through a crowded bike path in lower Manhattan, killing at least eight people and injuring more than a dozen others.