Roseville Police Department is investigating a shooting incident that left a 17-year-old in critical condition.
Police said everything unfolded around 8:30 p.m. on the 17000 block of Ivanhoe Street.
A preliminary investigation revealed that the 17-year-old and the 20-year-old were showing each other their illegal weapons, when the 20-year-old inadvertently threw his pistol and hit the 17-year-old in a head.
Police say there were a total of 5 other people in the house at the time of the shooting, and they all agreed it was an accident.
Paramedics arrived at the scene and took the 17-year-old to hospital, where he was placed in critical condition.
Roseville police have detained the 20-year-old, who is currently being called a suspect, and will be detained until further investigation.