Fuel vault likely led to oil spill at Anchorage’s University Lake

State officials say an underground fuel vault on the Alaska Native Medical Center campus likely caused the oil spill that closed a popular Anchorage dog park. The Alaska Department of Environmental Conservation announced the likely spill source late last week. The spill, first reported in late June, has led to the indefinite closure of the off-leash dog park at University Lake. Kelly Rawalt, a spokesperson for the department, said as soon as the leak was identified, the underground container was sealed off. She said the investigation into the spill is...