Slackliners took the line down because of forecasted rain and high winds, but strung it up again the day of the accident.

Three people were rescued by helicopter after falling through ice in Queens on Friday.

From a police shooting in a northern Arizona neighborhood that led to a tragedy involving an Arizona Department of Public Safety helicopter to the latest on the search for the mother of "Today" show host Savannah Guthrie,

The low-altitude flights are happening through Wednesday, and they are being done to measure expected background radiation ahead of the Super Bowl, the National Nuclear Security Administration said.