The development came hours after an Afghan man was identified as the suspect in the shooting of two National Guard soldiers near the White House.

The United States has suspended processing all immigration requests from Afghans following the attack. US Citizenship and Immigration Services said the decision was made pending a review of "security and vetting protocols."

The suspect in Wednesday's shooting, which left two National Guard members critically injured, is said to have arrived in the US from Afghanistan in September 2021.

Trump called the attack an "act of terror" and said he would take steps to remove foreigners "from any country who does not belong here."

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Tens of thousands of Afghans entered the US under special immigration protections following the chaotic American withdrawal from the country in 2021 under Biden.

The Department of Homeland Security identified the suspect as Rahmanullah Lakamal, describing him as "a criminal alien from Afghanistan." An official told CBS News that he applied for asylum in 2024, and his application was granted earlier this year.

The 29-year-old is understood to have entered the country under the program called Operation Allies Welcome.

Trump said following the shooting that the US "must now re-examine every single alien who has entered our country from Afghanistan under Biden."