LAKE CHARLES, La. — An 11-year-old boy fatally shot a 39-year-old relative, authorities in southwest Louisiana said.

The boy was arrested Monday on a charge of second-degree murder in the death of Andrew Lafleur III of Moss Bluff, the Calcasieu Parish Sheriff’s Office said in a news release Tuesday.

The statement did not describe a possible motive for the shooting, which occurred about 5 p.m. Monday at a home in Moss Bluff.

The boy’s name and his relationship to the dead man were not released.

The investigation is continuing and no other information is available, according to the statement.