Authorities in Mississippi say a 9-year-old boy has shot his 13-year-old sister in the head and wounded her after an argument over a video game controller.
Another explosion has been reported in Austin, Texas, and emergency officials were responding to early reports of two men injured.
Authorities say two inmates have been captured after escaping a correctional facility in Mississippi this week.
The regular session of Louisiana legislature continues this week. On Wednesday, lawmakers will see a new bill that would create the crime of hazing.