Palestinian gunmen from the dominant Islamist Hamas faction killed a member of rival Fatah on Thursday, witnesses and hospital officials said, in the worst flare-up of street fighting in almost three weeks. Fatah said the clash in the southern town of Rafah erupted when Hamas gunmen confronted one of its local leaders at his home. The man’s brother was killed and five other Palestinians wounded, all of them from Fatah, hospital officials said. Full Story