NASA gunman kills hostage, self
An armed man kills a hostage before killing himself at NASA's Johnson Space Center, television station KTRK of Houston reports.world Updated: Apr 21, 2007 11:01 IST
An armed man shot and killed a hostage, then himself in an incident at NASA's Johnson Space Center, television station KTRK of Houston reported on Friday.
Another hostage escaped, the station said, citing unnamed sources.
Houston police are expected to hold a news conference shortly on the events.