OKLAHOMA CITY, Okla. (NBC) – Three people are dead following a plane crash Monday night at an airport in Oklahoma City.

Firefighters responded to Clarence E. Page-Cimarron-Yukon Municipal Airport just after 9 p.m.

According to the Oklahoma City Fire Department, a small aircraft, as well as surrounding grass, caught fire. The fire was quickly put out.

The crash is now under investigation.