Mattoon, IL, firefighters were called to two apartment building fires early Monday morning.

According to a news release from the Mattoon Fire Department, the two fires were at 1313 Lakeland Boulevard. Firefighters who arrived on scene just before 4:15 a.m. reported seeing heavy flames coming through the roof of one apartment complex and smoke coming from another, so additional personnel were called to help fight the fires. 

All apartments were reportedly vacant and no injuries were reported.

The Illinois state fire marshall is investigating the cause of the blazes.

Keep checking with WTWO/WAWV online and on air for more information on this developing story.