BAY CITY -- State police have launched an investigation into the death of a teen whom police Tased.

The 15-year-old died about 3:40 a.m. Sunday after Bay City police used a stun gun to subdue him at an apartment on South Catherine near East John.Neighbors summoned authorities to quell a large fight, police said.

When officers arrived, neighbors directed them to an apartment where they found two people arguing.

Officers' attempts to diffuse the situation failed, police said.

Police say they used the stun gun after the teen tried to fight with them and others in the apartment.

Authorities have not released the name of the teen or the officer who deployed the stun gun.