Sounds like it got quite serious...better safe than sorry though
http://sfgate.com/cgi-bin/article.cgi?f ... 03/SFO.TMP
http://sfgate.com/cgi-bin/article.cgi?f ... 03/SFO.TMP
a bit of trouble with the SFO flights recently.
Poor passengers who had to wait at SFO in departures for four hours, there's virtually nothing to do there.
Only local news sources showing it at the moment, not on AP, AFP or Reuters so little chance of seeing it on BBC or so on for now.