No injuries were reported. NBC reported that the cause of the fire remains unclear.
IDF, Israel Police, and Border Police personnel arrived at the scene, causing the masked men to flee.
Brooklyn Park Fire Chief Shawn Conway stated at a Saturday news conference that while it is unclear how many people were onboard the plane, there were no survivors.
There were no immediate reports of injuries or structural damage so far. The cause of the fire remains under investigation, according to Cal Fire.
Around 150 people were evacuated from nearby buildings, and thousands of properties were without power.
Sa'ar expressed his condolences "for the terrible tragedy in which more than 50 people were killed and dozens were injured in a fire."
There have been no reports of any casualties from the incident.
Paramedics arrived at the scene and pronounced the man dead after receiving initial reports at around 4:45 a.m.
The plane successfully landed back at Newark airport with no reported injuries, according to the FAA.
Emergency responders evacuated residents while firefighters worked to contain the blaze and prevent further damage.