Barrels of Oil Leaked into Yellowstone River

In Montana, what ExxonMobil reports to be about 1000 barrels of crude oil has leaked into the Yellowstone River. 

CNN reports the spill was discovered late Friday night west of Billings, where the pipeline feeds an ExxonMobil refinery. 

They say more than 200 residents were evacuated. 

Its reported crews are now trying to clean up 42,000 gallons of oil. 

There's oil along at least 70 miles of the river near Billings.