FREDERICK, Md. — Authorities are on the scene of a house fire in Frederick that has killed one person and injured two others, including a firefighter.

Michael Dmuchowski, a Frederick County fire official, says firefighters were called to the 800 block of East South Street about 3:30 a.m. Thursday. He says firefighters arrived to find heavy fire coming from the side of the home.

Dmuchowski says crews searched the home and removed a person from the second floor. He says that person has died.

Another person suffered non-life-threatening injuries and a firefighter suffered minor injuries.

Fire investigators are trying to determine the cause of the fire.

East South Street has been closed between Monocacy Boulevard and Franklin Street.