WILMINGTON, Delaware-  WPVI reports one firefighter was killed and two were critically injured after a house fire in Wilmington, Delaware.
The fire started around 3:15 a.m. Saturday on the 1900 block of Lakeview Road.

Crews arrived to heavy flames and smoke with several people, including small children, trapped inside the house.

As firefighters entered the home, the floor collapsed.

Two firefighters were rescued, but a third never made it out of the rubble.

That firefighter was brought out the home, draped in an American flag, and carried by other firefighters.

The two injured were placed in an ambulance and taken to a waiting helicopter which transported them to Christiana Hospital.

Four children and one adult were taken to St. Francis Hospital for smoke inhalation.

Additional firefighters from throughout the city were brought in to battle the blaze.

They were able to get the fire under control.

So far, no word on what caused the blaze.

This is a developing story.