The evacuation of almost two dozen homes after an oil pipeline ruptured in Arkansas has left an eerie sight in one neighborhood — and many unanswered questions.

“That neighborhood was like a scene from ‘The Walking Dead,’” state Attorney General Dustin McDaniel said Wednesday after visiting the Little Rock suburb of Mayflower. “There were still Easter decorations on homes, but there was not a soul in sight other than people in Hazmat suits.”

ExxonMobil is investigating what caused its Pegasus pipeline, which carries oil from southern Illinois to the Texas Gulf Coast, to burst open March 29.

[...]

Officials say at least 16 oily birds, seven turtles, nine reptiles, a beaver and a muskrat have been recovered for treatment. At least seven ducks died as the result of the spill.