Here is the latest Iowa news from The Associated Press at 3:40 a.m. CST

MADISON, Wis. (AP) — A controversial high-voltage power line across western Wisconsin has been put into service after almost three years of construction. Supporters say the 180-mile, $580 million Badger Coulee line will enable clean and cheap wind energy from Minnesota and Iowa to reach big cities where there’s demand. Opponents consider it an unnecessary expense that guarantees profits for the owners while discouraging conservation and local renewable energy investments.

DES MOINES, Iowa (AP) — A spokeswoman for an Iowa college says the school welcomes a student group’s request to withdraw a union petition filed with the National Labor Relations Board. Grinnell College spokeswoman Debra Lukehart released a statement saying, “The college’s concern has always been about how the expansion of the student union could affect Grinnell’s distinctive culture and diminish educational opportunities for our students.”

CEDAR RAPIDS, Iowa (AP) — Firefighters in Cedar Rapids say a 43-year-old woman has been hurt in an apartment fire. Fire officials say in a news release that the fire was reported around 2:30 p.m. Friday at the Gateway Apartments. Officials say the woman received CPR at the scene, and was taken to a local hospital with life-threatening injuries. Her condition was not known late Friday afternoon.

UNDATED (AP) — Joe Biden is aware that age is an issue as he ponders a 2020 presidential run. He is talking with friends and longtime supporters about whether he’s too old to seek the White House. That’s according to several sources who have spoken with the 76-year-old former Democratic vice president. It could be the biggest hurdle to launching another bid for the Democratic presidential nomination, especially in an era when many in the party yearn for a new generation of leadership.