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ST. LOUIS, MO (KTVI)- A St. Louis tow truck driver helped save a family from an apartment building fire Tuesday morning.

Around 5 a.m. , the tow truck driver noticed the fire and called 911. While waiting for firefighters to arrive he knocked on the doors of the house. When no one answered, the driver started his siren.

The noise woke up the family and they safely exited the building.

Two children were treated for smoke inhalation.