FAIRFAX (AP) - Authorities say one worker has died and another has been injured in a transmission line construction accident in south-central Minnesota.

The Renville County sheriff's office says the two were reported shocked Monday along the CapX2020 power line construction site near Fairfax.  The two were flown to trauma centers in the Twin Cities, where one victim died and the other victim's condition is unknown.

CapX2020 project spokeswoman Lori Buffington says the two worked for Donovan Construction of Ham Lake. A Donovan Construction spokesman says the man who died is from the Twin Cities, and the injured man, from Osseo, Wisconsin, is being treated in the HCMC burn unit.

The 250-mile line will run from South Dakota to Hampton, Minnesota.

Minnesota OSHA and the Renville County sheriff's office are investigating.

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