In this file photo taken on June 23, 2014, fighters from the Islamic State group parade in a commandeered Iraqi security forces armored vehicle down a main road at the northern city of Mosul, Iraq.

Fourth man arrested in alleged Brooklyn ISIS conspiracy

A fourth man is in custody in Norfolk, Virginia, on immigration charges and is being questioned by federal agents in connection with the alleged Brooklyn ISIS conspiracy. He has not been charged in the alleged conspiracy. 

On Wednesday, three men from Brooklyn, New York, were arrested and accused of plotting to wage jihad for ISIS. One of the men had offered to kill President Barack Obama if the militants asked him to, authorities said.

Federal prosecutors in Brooklyn identified the men arrested Wednesday as Abdurasul Juraboev, 24, Akhror Saidakhmetov, 19, and Abror Habibov, 30. Juraboev and Habibov are Uzbek citizens, and Saidakhmetov is a citizen of Kazakhstan, the prosecutors said.

RELATED: Three men accused of planning to wage jihad for ISIS arrested in NYC

Juraboev and Saidakhmetov plotted to travel to Turkey and then to Syria to wage jihad, and Habibov helped pay for the plan, the prosecutors said. Saidakhmetov was arrested at John F. Kennedy International Airport as he tried to board a flight to Istanbul.

“Anyone who threatens our citizens and our allies, here or abroad, will face the full force of American justice,” said Loretta Lynch, the top federal prosecutor in Brooklyn.

All three were charged with attempt and conspiracy to provide material support to ISIS. Each faces up to 15 years in prison.

This is a developing story. Please check back for updates.

Hardball with Chris Matthews, 2/25/15, 7:16 PM ET

ISIS suspects arrested in NYC

Three Brooklyn men have been arrested and charged with aiding the Islamic State. NBC News Justice Correspondent Pete Williams, MSNBC Terrorism Analyst Clint Van Zandt, and Retired ATF Special Agent in Charge Jim Cavanaugh give analysis.

ISIS and Virginia

Fourth man arrested in alleged Brooklyn ISIS conspiracy