Police were investigating what led up to the crash. This article originally appeared on Arizona Republic: Car sinks into mud after hitting fire hydrant in west Phoenix ...

Video from the scene showed a car sinking into mud and water as an apparent sinkhole formed, while another vehicle sustained heavy front-end damage. Authorities are still working to determine what ...

Authorities are pulling submerged vehicles from the Columbia River, including a car thought to have belonged to a Portland couple who vanished in 1958 while out for a drive with their three daughters ...