Searchers 'may have detected flight recorder' Searchers hunting for the wreckage of a charter jet that crashed into the Red Sea have detected a signal that could be the plane's black box flight data recorder. The signal was detected by a radar on a robotic arm used by searchers in the area where Flash Airlines' Flight FSH604 crashed on Saturday. "It's a positive sign but nothing conclusive," said a French Embassy official, on condition of anonymity. There was no indication of how deep the signal was coming from. Experts had said the deep waters would slow recovery efforts. Most of...