Authorities say a 16-year-old boy has been arrested on suspicion of causing a dry ice explosion on a high school baseball field that injured a 4-year-old.
The Los Angeles County Sheriff's Department says the juvenile, whose name was not released, lived near the high school in Paramount, about 15 miles southeast of downtown Los Angeles.
The toddler was playing Thursday night when he picked up a plastic soda bottle that exploded. He suffered cuts to his chest and arm. He was hospitalized and later released.
Detectives say evidence recovered on the field suggests the blast was caused by a chemical reaction with dry ice.