No threat found at Round Rock elementary school after investigation

ROUND ROCK, Texas - Round Rock ISD officials say that no threat was found at one of its elementary schools after law enforcement investigated.

Earlier the Williamson County Sheriff's Office had said it was investigating an alleged threat at Double File Trail Elementary. It said deputies were investigating the validity of the threat and were on site to secure the school until the investigation was complete.

This is a developing story and will be updated as more details are released.