EDITOR’S NOTE: This story has been updated with information about an arrest.

KNOXVILLE, Tenn. (WATE) — A 15-year-old is in custody after police say he shot and killed an 18-year-old Monday night in the Mechanicsville area of Knoxville, according to the Knoxville Police Department. It happened along Cansler Avenue near Wallace Street.

Police said that the victim is 18-year-old Junior Santiago. Santiago was found dead inside of an overturned vehicle just after 9 p.m. Monday on Cansler Avenue after he had been shot at least once.

The investigation carried into Tuesday morning and the suspect, a 15-year-old male, was taken into custody and booked into the Juvenile Detention Center on a juvenile petition for possession of a weapon with intent to go armed. Additional charges pending, police said. The identity of the suspect is being withheld due to his age.

The investigation remains ongoing and KPD says further information will be given once it’s available.