Two military helicopters from Joint Base Lewis-McChord crashed Monday night, and at least four people were killed and two injured, sources said Monday night.

Military police and medics were rushing to the site of the crash in or near Thurston County.

The accident reportedly happened about 9:15 p.m. during a training exercise.  Sources daid there were four dead on the first copter and two dead and two injured on the second helicopter.

No other details were immediately available.

(Source: Q13FOX)