article_snippet: Mesa police Detective Esteban Flores warned people in the neighborhood to remain indoors.
article_snippet: Several buildings in the area were placed on lockdown amid a heavy law enforcement presence.
article_snippet: East Valley Institute of Technology officials said the school went into lockdown as soon as gunshots were heard.
article_snippet: lockdown lasted more than an hour, according to students.
article_snippet: Afternoon classes convened but were made optional.
article_snippet: A nearby Mesa Community College campus issued an emergency alert, saying A nearby Mesa Community College campus was on lockdown and anyone there should proceed to the safest location.
article_snippet: A nearby Mesa Community College campus remained closed on Wednesday.