An early morning fire in Southeast D.C. has left 21 residents looking for another place to stay.

D.C. Fire and EMS said 60 personnel responded to a three-story apartment building fire in the 5200 block of D Street near C.W. Harris Elementary School before 2 a.m.

Three of the 13 people stuck in the building — filled with heavy smoke on every floor — were rescued by aerial ladder. Another 10 people fled using portable ladders or the stairwell.

One of the firefighters was transported to a hospital for non-life-threatening injuries. No other injuries were reported.

The cause of the fire is under investigation.

D.C. Fire and EMS said a request for assistance was made to The American Red Cross National Capital & Greater Chesapeake Region to help displaced residents.

A map of the area is below.[google_map latitude=”38.8835″ longitude=”-76.9336″ zoom=”13″ height=”300px” location_label=”Scene of apartment building fire” dynamic_map=”false”]