Houston's Sharpstown International School on lockdown due to unsubstantiated security threat, with no injuries.

Sharpstown International School in Houston, Texas, was placed on lockdown due to a reported security threat involving a possible weapon. While police presence was heightened and parents gathered outside, the Houston Independent School District confirmed that there were no injuries and the threat was unsubstantiated. Both HISD police and the Houston Police Department are investigating. The school maintained a security hold and coordinated a controlled dismissal for students.