U.S. Senator Bob Casey (D., Pa.), reacting to growing anxiety over fiery railroad derailments of crude-oil tankers, on Monday pushed for legislation that could provide new resources and training to emergency personnel.

"This legislation is a commonsense approach that could give our first responders more training and the additional resources they need," Casey said at a news conference in Philadelphia.

The RESPONSE Act, written by U.S. Sen. Heidi Heitkamp (D-N.D.), would establish a subcommittee under the Federal Emergency Management Agency's National Advisory Council to address training of first responders, particularly in smaller communities. The panel would recommend emergency responder training and resource allocation to Congress within 12 months.

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