CHICAGO, March 27 (UPI) -- A $6 million upgrade to Chicago's 911 emergency dispatch system contains glitches that cause stacked-up calls to disappear from computer screens, workers say.

WASHINGTON, July 9 (UPI) -- A new national emergency system that takes advantage of the latest technology is being tested in five cities across the United States, officials say.

RA'ANANA, Israel, June 30 (UPI) -- Houston security authorities have contracted Nice Systems to support the Houston Emergency Center with communication technologies.

VIENNA, Feb. 6 (UPI) -- The Austria-based International Atomic Energy Agency announced the launch of a nuclear emergency response network after pledges of assistance from four states.

CARPENTERSVILLE, Ill., July 5 (UPI) -- Emergency dispatchers in Carpentersville, Ill., say a child playing with a deactivated cell phone dialed 911 emergency 287 times.