In New Castle, Pennsylvania, at a business called New Castle Brothers Market, a 17-year old accidentally shot his brother in the chest.  The victim suffered “serious bleeding” and was taken to a hospital.  According to police, the investigation is ongoing.

This is the second gun accident in two days involving teenage siblings.

Source:

Pete Sirianni, “Brother Injured in Accidental Shooting,” New Castle News (October 11, 2020).