FORT WAYNE, Ind. -- Christmas decorations may be to blame for a deadly fire.

The fire started just before 4 a.m. on Tuesday at a home on Robinwood Drive in Fort Wayne, Ind.

A young, engaged couple died in the fire.

Two family members got out of the home safely.

Neighbors said the fire moved fast.

Four minutes after the 9-1-1 call went out, the entire home was in flames.

The cause of the fire is still under investigation, but firefighters said it started near the Christmas tree.