Arrests come as Oregon's governor and others urge the Obama administration to ban oil trains in that state after a fiery crash in the Columbia River gorge.
Oil train protesters block a train in Vancouver, Wash.

A group of protesters block an oil train in Vancouver, Wash., on Sunday. Photo courtesy of Alex Milan Tracy

Twenty-one activists were arrested in Vancouver, Wash. on Saturday in a protest calling for a permanent moratorium on shipping oil by rail in Oregon and Washington, to protect people and the environment.