The Tennessee Air National Guard plane had two people on board when it crashed.

HUNTSVILLE, Alabama. A Tennessee National Guard Black Hawk helicopter crashed Wednesday in Alabama, killing all aboard, a spokesman for the Madison County Sheriff’s Office said.

“We have no survivors,” said investigator Brent Patterson. “We have a crime scene here. We have it recorded.”

US military officials said two people on board were killed. A representative of the army said that the helicopter, which was performing a training mission, crashed around 15:30 local time and caught fire. The U.S. officials spoke on condition of anonymity to discuss the incident, which is under investigation.

A UH-60 helicopter, better known as a Black Hawk, went down northwest of Huntsville along Alabama Highway 53, the Alabama law enforcement agency said in a statement.

Local news reports showed large plumes of black smoke rising from the crash site. Several emergency vehicles were working at the scene.

“I am deeply saddened by the fatal helicopter crash that occurred today in Madison County,” US Rep. Dale Strong tweeted. “My heart goes out to those who lost their lives in this tragic incident and to their families as they learn this news.”

This is a developing story, check back for updates.

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