The widows of two men killed in a 2006 coal mine fire in West Virginia settled a wrongful death lawsuit against Massey Energy Co., attorneys for both sides announced Monday.

Details of the settlement, which came four days into a civil trial, weren't released.

The widows of miners Don I. Bragg, 33, and Ellery Elvis Hatfield, 47, sued the Richmond, Va.-based company, high-profile Chief Executive Don Blankenship and two subsidiaries. Mr. Bragg and Mr. Hatfield died after getting lost in thick smoke from a conveyer belt fire at the Aracoma Alma No. 1 Mine in Logan County in January 2006.

The lawsuit claimed the defendants knew or should have known that a series of problems at the mine, including a missing air control wall, could kill miners by allowing smoke to fill escape routes.