(KMOV) -- Firefighters in north St. Louis County are investigating the cause of an apartment complex fire.
It happened around 9:30 p.m. on Sunday at the complex at Wilmore and Jones in Kinloch.
The fire had nearly put itself out by the time crews arrived on the scene, but a couple of units in a vacant apartment complex were burned.
The Kinloch police chief tells News 4 that the building has been vacant for a long time.
No injuries were reported.