An upstate New York boy accidentally shot and killed his best friend before taking his own life out of guilt — while their heartbroken families announcing they plan to bury the “inseparable” pair together.

Damarion Jones, 16, tragically gunned down Jonah Tanner, 13, last Wednesday night inside a home on Lincoln Avenue in Syracuse, Syracuse.com reported. Distraught over the unintentional shooting, he turned the 9 mm handgun on himself, the outlet reported, according to Onondaga County prosecutors.

Jones died of self-inflicted injuries on Wednesday, and Tanner was rushed to the hospital in critical condition but was later declared brain dead, CNYCentral reported.

After Jones shot Tanner, he “apparently felt so guilt-ridden he shot himself,” Onondaga County District Attorney William Fitzpatrick told Localsyr.