According to investigators a black man in his 30s entered the Getty gas station, showed a gun and demanded cash.
When police arrived, 42-year-old Noor Khan became ill while being interviewed.
Medics rushed him to the Elmhurst Hospital where he was dead on arrival.
The Medical Examiner's Office said Khan suffered a heart attack, and classified the death as a homicide.
Police were still looking for suspects.
----
Click here for New York and Tri-State News
Follow us on Facebook || Twitter New York News || Twitter Breaking News