LVMPD released new details about a homicide in the northeast valley on July 15. (KLAS)

LAS VEGAS (KLAS) — A teenager is dead after being shot during a drug deal and possible robbery, according to police.

It happened in the northeast valley at an apartment complex in the 3800 block of East Cheyenne Avenue on Friday (July 15) at 3:30 p.m.

Police said they believe the incident may have started when the teenager and a person in their 20s met in the front parking area of the apartment complex during the drug deal.

At some point during the exchange, the situation escalated into a possible robbery attempt.

Both people were armed and gunfire erupted, police said.

Las Vegas Metropolitan Police Department investigates a homicide at an apartment complex at 3800 East Cheyenne Avenue. (KLAS)

The teen was shot and pronounced dead at UMC.

The person who admitted to being involved in the shooting is cooperating with the police.

No suspects are believed to be on the run.

This is a developing story, check back for updates.