Houston schools locked down as precaution after reported threats

HOUSTON, Texas (KXAN) — Three Houston schools went into lockdown as a "precaution" after threats were made against Heights High School, Hogg and Hamilton Middle School, Houston ISD said on social media.The school district said "no evidence was found to substantiate the threat." Students at Heights High School will be dismissed early.The Houston Police Department and district police are continuing to investigate the threat, the district said.According to Harris County Precinct 1 Constable A