President Donald Trump signaled on Twitter that he was prepared to crack down on immigration visa programs in the wake of the terrorist attack in New York City.

“We are fighting hard for Merit Based immigration, no more Democrat Lottery Systems,” Trump wrote on Twitter. “We must get MUCH tougher (and smarter).”

We are fighting hard for Merit Based immigration, no more Democrat Lottery Systems. We must get MUCH tougher (and smarter). @foxandfriends

— Donald J. Trump (@realDonaldTrump) November 1, 2017

Trump criticized the program that allowed the suspected terrorist, Sayfullo Saipov, into the United States who allegedly killed eight and injured 11 people with a rented Home Depot truck on Tuesday.

“The terrorist came into our country through what is called the ‘Diversity Visa Lottery Program,’ a Chuck Schumer beauty,” Trump said. “I want merit based.”

The terrorist came into our country through what is called the “Diversity Visa Lottery Program,” a Chuck Schumer beauty. I want merit based.

— Donald J. Trump (@realDonaldTrump) November 1, 2017

The program was part of a bill introduced in 1990 by Sen. Chuck Schumer, D-N.Y., while he was still serving in the House of Representatives.

The president appeared to be watching Fox and Friends for updates about the attack, quoting a guest on the show.

”’Senator Chuck Schumer helping to import Europes problems,’” said Col.Tony Shaffer,” Trump wrote. “We will stop this craziness!”

“Senator Chuck Schumer helping to import Europes problems” said Col.Tony Shaffer. We will stop this craziness! @foxandfriends

— Donald J. Trump (@realDonaldTrump) November 1, 2017