UPDATE: Two Dead After Attempted Robbery at Seaford Pharmacy [VIDEO]

Update: Dec. 31, 9:30 p.m.

A suspect and a law enforcement agent are both dead after an attempted armed robbery at in Seaford Saturday afternoon.

According to police, around 2 p.m., a white male in his 40s entered the pharmacy with a gun and attempted to rob the store. Det. Lt. Kevin Smith said that the suspect left the store with an indeterminate amount of cash and Oxycontin when he was confronted by three law enforcement officers; two off-duty and one retired.

Shooting ensued and one of the officers was struck by gunfire and taken to the Nassau University Medical Center, where he succumbed to his injuries, police said.

The suspect was then shot and killed by another one of the officers at the scene, Smith said.

The deceased officer was an agent with the Bureau of Alcohol, Tobacco, Firearms and Explosives.

A witness from Seaford told Patch that she pulled up to the front of the pharmacy with her 13-year-old son shortly after the shooting and saw two bodies on the ground -- one of which was being attended to by paramedics. The witness also said that she saw another man handing his gun to officers at the scene.

The name of the suspect and officer have not yet been released.

This is a breaking news story, Patch will update the story with more details when they are made available.

Jaime Sumersille contributed to this report.