Border control in the United States will be strengthened by order of President Donald Trump.
NY and other cities around the globe have been on high alert against attacks by extremists in vehicles.
Responding to Trump's tweet - which read in full: "I have just ordered Homeland Security to step up our already Extreme Vetting Program". Being politically correct is fine, but not for this!' Trump tweeted Tuesday night around 9pm ET.
Authorities identified him as Uzbek immigrant Sayfullo Saipov, 29.
Vetting procedures attempt to detect foreign nations who may commit or support acts of terrorism, or pose a threat to national security.
"As the investigation unfolds, it's critical that we learn what we can from this incident and do everything we can to prevent this from happening again".
He follows that with more tweets: "The terrorist came into our country through what is called the 'Diversity Visa Lottery Program, ' a Chuck Schumer beauty".
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New York Gov. Andrew Cuomo also criticized Trump's tweets, saying during a press conference Wednesday morning that they "play [ed] into the hands of the terrorists" by dividing Americans. Trump said on Twitter.
After it was revealed that an Uzbekistan native legally living in the USA was allegedly responsible for the attack in New York City on Tuesday, President Trump wasted no time calling for an end to lottery-based visas and a strengthened vetting process.
Local and federal officials had already labeled the attack in NY as terrorism by Tuesday evening, based on the suspect's shouts of "Allahu akbar", evidence of his allegiance to ISIS and the trademark style of the truck attack.
Now, compare these rushed responses to how the president reacted after a white gunman, Stephen Paddock, opened fire on a crowd of concertgoers in Las Vegas, Nevada, and killed 58 people while leaving 546 injured. 'Law enforcement is following this closely.
Trump said that he will ask Congress to "immediately initiate work" to end the Diversity Immigrant Visa Program, which he claimed the attacker used to enter the United States, though officials have not yet said whether that is true.
He published a follow-up stating that the USA "must not allow ISIS to return" and that he was planning to "step up our already Extreme Vetting Program". "It takes a little while to get the facts", Trump said then.