Veterans Memorial High School was on an hour-long lockdown after a threat Tuesday, officals said.

The school was placed on lockdown after a threat on Snapchat, said Corpus Christi Independent School District Police Chief Kirby Warnke.

The lockdown was lifted about 12:30 p.m. after police found the student, Warnke said.

"There was a Snapchat threat from a former student," Warnke said. "As a precaution we put the school on lockdown."

Corpus Christi ISD said an arrest was made in connection with the threat, according to a tweet from the district.

"CCISD takes all threats seriously, including ones made on social media," a tweet from the district reads. "Students are safe and coursework continued during the lockdown."

Police are investigating the incident, Warnke said.

Alexandria Rodriguez covers breaking news and crime in South Texas. Consider supporting local journalism with a digital subscription to the Caller-Times.