Software Somewhere News Today

Passengers at risk. joining me now is nbc news correspondent tom costello. so, tom, a computer glitch can shut down the skies over london? >> yeah. what we know is this was some sort of an air traffic control sequencing glitch. they say it is not related to any sort of a power outage and they do not believe its any sort of a security or hack attempt. something quite simply they think went wrong with the software somewhere. at this hour london heathrow, london city airport, gatwick are showing de...