postal carrier

Postal Service ranks cities with the most dog attacks

the U.S. Postal Service released its top 30 dog attack city rankings in advance of National Dog Bite Prevention Week next week. Across the country, 5,767 postal employees were attacked by dogs last year.

A crane raises the end of a derailed train car as emergency personnel work at the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. (AP Photo/Mel Evans)

Amtrak to install system that might have prevented crash

The train safety technology uses GPS, wireless radio and computers to monitor train position. It can automatically brake to prevent derailments due to excessive speed, collisions with other trains, trains entering track where maintenance is being done or going the wrong way because of a switching mistake.