Detroit, May 13 (AP) A Tennessee company is heading for a legal battle with US auto safety regulators after refusing a request that millions of potentially dangerous air bag inflators be recalled.

The National Highway Traffic Safety Administration said Friday that ARC Automotive Inc. of Knoxville should recall 67 million inflators in the US because they could explode and hurl shrapnel. At least two people have been killed in the US and Canada, and six others have been hurt as a result of defective ARC inflators, the agency said.

Also Read | Israel Airstrike Kills Top Palestinian Islamic Jihad Commander Iyad al-Hassani in Gaza Strip.

The recall would cover a large portion of the 284 million vehicles now on US roads, but the percentage is difficult to determine. Some have ARC inflators for both the driver and front passenger.

In a letter posted Friday, the agency told ARC that it has tentatively concluded after an eight-year investigation that ARC front driver and passenger inflators have a safety defect.

Also Read | Chinese-Built Pokhara Airport in Nepal Fails to Take Off: Report.

But ARC responded that no defect exists in the inflators, and that any problems were related to isolated manufacturing issues.

The next step in the process is for NHTSA to schedule a public hearing. It could then take the company to court to force a recall.

Also Friday, NHTSA posted documents showing that General Motors is recalling nearly 1 million vehicles equipped with ARC inflators. The recall covers certain 2014-2017 Buick Enclave, Chevrolet Traverse, and GMC Acadia SUVs.

The automaker says an inflator explosion “may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.”

Owners will be notified by letter starting June 25, but no fix is available yet. They'll get another letter when one is ready. (AP)

(This is an unedited and auto-generated story from Syndicated News feed, LatestLY Staff may not have modified or edited the content body)