UPDATE: 3:45 p.m.
Law enforcement in Meridian have ended the lockdown at Idaho State University's Meridian Campus and Renaissance High School.
According to a message on ISU's website: " All clear."
Parents are welcome to pick up their students at the school, and students who traditionally ride a bus home should be arriving approximately 30 minutes later than normal.
Meridian Police said they detained a man and woman during the investigation. The man reportedly did have a concealed weapons permit. No additional information was immediately available.
UPDATE: 3:15 p.m.
Meridian Police confirm that Renaissance High School and Idaho State University's Meridian Campus (the two schools share a campus space) remain on lockdown following a report of an armed suspect sighted in a school parking lot. The parking lot also shares space with the Meridian School District office.
Parents are being asked not to come to the school to pick up their children yet. Instead, Meridian school officials said phone messages will be sent to parents with further instructions.
Police continue to search the interior and exteriors of the schools.
ORGINAL POST: 3 p.m.
Idaho State University has placed its Meridian campus on lockdown.
Officials with ISU are warning its students, staff and faculty to "take shelter and lock doors and windows." Campus security and Meridian Police are also cautioning "not to move from sheltered positions."
A message on ISU's website says to "await further instructions."
Monitor citydesk for further updates.