An investigation is underway after a gas leak happened outside of Sierra Expeditionary Learning School in Truckee early Thursday afternoon. 

Tahoe Truckee Unified School District says the K-8 public charter school was immediately evacuated after along with the adjacent district office building, around 1:45 p.m. 

Truckee Police and Truckee Fire responded and set up a perimeter, and Southwest Gas capped the leak. 

No students or adults were hurt.

District administrators have contacted parents to pick up their children at an alternate location.