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UPDATE: 2 killed when jet crashes into homes in South Bend

SOUTH BEND, Indiana (NEWSCHANNEL 3) - Federal investigators are trying to figure out what caused a plane to crash into three homes in South Bend.

The crash killed two people, 60-year-old Steven Davis, and 58-year-old Wesley Caves, and injured three others.

The FAA says the private jet had taken off from Tulsa, Oklahoma. It was approaching the South Bend Airport Sunday when it started having mechanical troubles.

The pilot made multiple approaches at the airport before the plane stalled and went down.

“All of a sudden, sputtering or something, and then boom. Nothing else. It got real quiet, about 30 seconds later I started hearing fire trucks and I said to my husband 'I think a plane just crashed' and so we took off and sure enough it's gone through three houses," said one witness.

Dozens of people were evacuated from the neighborhood due to concerns about jet fuel.

The two victims killed were both on the plane.

Two other passengers were hurt, along with one person on the ground.

We'll keep you updated as the FAA continues its investigation.