The Latest: Judge to rule on pipeline injunction by Sept. 9

The Latest on the legal proceedings against a Texas-based oil pipeline (all times local):

3:40 p.m.

A federal judge did not immediately rule on a request by the Standing Rock Sioux Tribe to stop a four-state oil pipeline under construction near their reservation, which straddles the North Dakota-South Dakota border.

The tribe is challenging the Army Corps of Engineers' decision to grant permits for Dallas-based Energy Transfer Partners' $3.8 billion Dakota Access pipeline.

U.S. District Judge James Boasberg listened to arguments Wednesday in Washington, D.C. He says he will rule on the case by Sept. 9.

The hearing comes amid protests over the pipeline that would cross the Missouri River near the reservation.

The tribe fears the pipeline will impact drinking water and disturb sacred sites. The company had planned to complete the pipeline, which goes from North Dakota to Illinois, this year.

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12:45 p.m.

A federal judge in Washington, D.C., is considering a request by the Standing Rock Sioux Tribe for a temporary injunction against an oil pipeline under construction near their reservation, which straddles the North Dakota-South Dakota border.

Tribal officials are challenging the Army Corps of Engineers' decision last month to grant permits for Dallas-based Energy Transfer Partners' $3.8 billion Dakota Access pipeline that is intended to carry oil from North Dakota to Illinois.

U.S. District Judge James Boasberg will hear the case Wednesday afternoon.

The hearing, which comes amid growing protests over the pipeline that would cross the Missouri River less than a mile upstream of the reservation, attracted dozens of protesters, including actress Susan Sarandon. She says the pipeline creates a "dangerous situation" that threatens the tribe's drinking water.

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10:45 a.m.

The Iowa Utilities Board has ordered a Texas company to refrain from building a pipeline on 15 landowners' properties until Monday to give the board time to review legal issues involving a lawsuit.

The board issued an order Wednesday requiring Dakota Access to provide detailed information about the progress of construction in Iowa and the cost the company will incur if it is required to work around the parcels.

The landowners' lawsuit challenges the board's authority to allow eminent domain for a privately owned pipeline project. That suit has not come before a court yet, and the board will hear arguments Thursday on the landowners' motion to halt construction until that happens.

The $3.8 billion pipeline will pass through Iowa, Illinois, North Dakota and South Dakota, and has been met with weeks of protests in North Dakota.