FROSTPROOF, Fla. -

A 10-year-old Polk County boy was critically injured Wednesday night when he was struck in the head at close range by a BB, according to deputies.

Skyler Richardson was airlifted to St. Joseph's Hospital in Tampa after the shooting, which occurred around 7 p.m. at a home on Otto Polk Road in Frostproof.

According to the Polk County Sheriff's Office, Skyler and his 13-year-old brother were shooting targets outside the home with their BB rifles while their mother prepared dinner.

Deputies said as the boys were playing, the older brother pointed his gun at Skyler and the 10-year-old was struck in the head at close range.

The older brother alerted his mother, and authorities were called, deputies said.

The shooting appears to be accidental, but an investigation is ongoing, according to the Sheriff's Office.

Skyler remains in critical condition.