
FBI Opens Terrorism Probe After Emir Balat Ignites Homemade Bomb Outside Mayor Mamdani's Home
Key Takeaways
- A homemade explosive device ignited outside Mayor Zohran Mamdani's residence.
- Two men were arrested at the scene during counterprotests outside the mayor's home.
- Law enforcement said the device contained explosives and fragmentation capable of killing or maiming.
Gracie Mansion protest incident
A homemade explosive device was ignited outside New York City Mayor Zohran Mamdani’s official residence, Gracie Mansion.
“Improvised explosive device was thrown during dueling protests outside NYC mayor's home: Police Two men accused of throwing the devices claimed to have watched ISIS videos”
The ignition occurred during a Saturday protest described in reporting as anti-Muslim or framed as a "Stop the Islamic Takeover of New York City" demonstration.

Law enforcement says two men were arrested at the scene.
Explosive device test details
Preliminary testing by the NYPD Bomb Squad and FBI investigators determined at least one of the items was an improvised explosive device that could have caused serious injury or death, and the devices have been sent to the FBI's Quantico lab for further analysis.
CBS reporting provided specific construction details: sports-drink bottles inside glass jars packed with nuts and bolts and wired to an M80-type fuse, and noted sources saying two devices may have contained the volatile explosive TATP.
Suspect identities and arrests
Authorities identified the two suspects as Emir Balat and Ibrahim Kayum (also spelled Kayumi in some reports).
“The device ignited on Saturday contained explosive materials and fragmentation that could have killed and maimed numerous people, according to law enforcement sources familiar with the investigation”
Reporting says the men are from Pennsylvania.
According to ABC, they told investigators they had watched ISIS videos.
They confronted the protest’s organizer, conservative influencer Jake Lang.
Local reporting and federal sources both confirm the arrests occurred at the scene.
Federal terrorism probe update
The FBI’s Joint Terrorism Task Force has taken the lead on a federal terrorism investigation.
The NYPD and federal partners are working alongside.

Authorities say terrorism charges are pending as evidence and lab results are examined.
Multiple outlets report the devices were forwarded to the FBI lab in Quantico for additional forensic testing.
Protest and response
Mayor Zohran Mamdani condemned the demonstration as rooted in bigotry and described the violence as "disturbing."
“Improvised explosive device was thrown during dueling protests outside NYC mayor's home: Police Two men accused of throwing the devices claimed to have watched ISIS videos”
Reporting notes the demonstration drew counter-protesters.
The demonstration has been characterized by some outlets as a white-supremacist or anti-immigrant event organized by Jake Lang.
Authorities also found a separate suspicious device in a vehicle nearby that prompted limited evacuations before it was removed safely.
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