On Tuesday, Sayfullo Saipov, an Uzbek national granted a green card in 2010 under the “Diversity Visa Lottery Program,” killed 8 people and injured 12 more in New York City’s deadliest terror attack since 9/11. According to the FBI, a second person is now being sought for questioning in connection with the attack.

“FBI is seeking information about Mukhammadzoir Kadirov in relation to yesterday’s NYC attack,” reports NBC News.

JUST IN: FBI is seeking information about Mukhammadzoir Kadirov in relation to yesterday's NYC attack pic.twitter.com/riOFPL8lem — NBC News (@NBCNews) November 1, 2017

NBC New York reports:

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The FBI and NYPD are looking to question a second person of interest in Tuesday’s Manhattan truck attack that left eight people dead and nearly a dozen others injured. The FBI released a wanted poster for Mukhammadzoir Kadirov on Wednesday evening. The man, an Uzbek national, has not been named a suspect in the attack, but authorities are looking for information on the man and his whereabouts. Saipov allegedly left a note in the truck that translated to “ISIS endures forever,” though authorities and Gov. Andrew Cuomo have called him a “lone actor.” It’s not immediately clear why authorities may want to talk to Kadirov about the attack.

According to ABC News, Saipov was charged with with supporting ISIS and violence and destruction of a motor vehicle. Saipov verbally waived Miranda rights while at hospital as he told officers Islamic State video inspired him. A press conference will be held at 5:45 ET to announce federal terrorism charges against Saipov.

Law enforcement’s criminal complaint states Saipov asked to have an ISIS flag displayed in his hospital room.