Follow KDKA-TV: Facebook | Twitter

NEW CASTLE (KDKA) — Police have arrested two teenagers in a double murder last weekend in New Castle.

READ MORE: The Health Benefits Behind De-Cluttering And Spring Cleaning

Police say 17-year-old Caden Popovich and 17-year-old Donavan Miller are in custody, and are being charged as adults.

Cameron Martwinski and Justin Luca, both 19, were found shot to death Sunday inside a house in the 800 block of Franklin Avenue.

READ MORE: Pittsburgh Weather: Long Streak Of Temperatures Below 70º Could End This Week

Investigators say when then served a served a search warrant at Popovich’s home, they recovered two weapons believed to have been used in the incident – .380 caliber and 9mm semi-automatic guns.

Both Popovich and Miller are charged with criminal homicide. Popovich faces additional firearms-related charges.

MORE NEWS: Homicide Trial Ordered In Young Amish Woman's Disappearance

They were arraigned and are now being held in the Lawrence County Jail without bond.