Residents in Ankeny were forced to evacuate their homes for about four hours on Tuesday after a propane leak at Ace Hardware.

A tanker truck spewing hazardous gas in an Oklahoma hotel parking lot forced hotel guests and hundreds of residents to evacuate in the overnight hours ...

Thirty-six people were transported to a local hospital with health impacts, with 11 in serious to critical condition, police ...

The operator of the Keystone Pipeline says preliminary findings indicate a fatigue crack caused an oil spill in North Dakota ...

In Weatherford, Oklahoma, dozens of people were rushed to a nearby hospital after massive amounts of toxic gas leaked from a ...