A firefighter was injured Sunday morning while responding to a residential fire on South Pickett Street in Alexandria, Virginia.

The blaze erupted in an apartment building on the 250 block of South Pickett Street at approximately 9 a.m. Fire crews worked to suppress the flames, and no civilian injuries were reported.

Preliminary observations suggest the fire may have begun on a balcony, though investigators are still determining the precise cause.

The Alexandria Fire Department confirmed the injury and said the investigation remains ongoing.