The president was briefed on developments in the shooting while in Japan, and said soon after that it should be credited to a "mental health problem" and not U.S. gun laws.
Sayfullo Saipov has been charged with providing material support and resources to the Islamic State terrorist group, in connection with the truck attack in Manhattan that killed eight people. A second Uzbek man is being questioned in relation to the attack.
Police say the attack that transformed a popular New York City bike path along the Hudson River into a scene of terror was perpetrated by a lone man they consider a terrorist.
The violence was terrifyingly similar to vehicle attacks carried out in Europe, where Islamic State supporters have used cars and trucks to strike pedestrians in crowded streets, a tactic that has been employed in France, Britain, Germany, Sweden and Spain.
A former Trump campaign aide pleaded guilty to lying to federal agents during the investigation led by special counsel Robert Mueller, the Department of Justice said Monday.
Cost-sharing payments that help lower-income consumers afford health plans will end, said two people briefed on the matter. The move could prompt insurers to withdraw from the marketplaces created by the Affordable Care Act. Earlier, the president signed an executive order that makes it easier to buy a long-disputed type of health insurance with fewer benefits and weaker government protections.
US President Donald Trump has signed an executive order allowing the purchase of health insurance across state lines, aimed at creating more choice on the marketplace and reining in the rising insurance premiums.