MILITANTS threatened to kidnap or murder Western citizens as anger over the publication of caricatures of Mohammed spread around the Muslim world. Diplomats, journalists and aid workers fled Gaza and the West Bank yesterday as Palestinian gunmen searched hotels for citizens of countries where newspapers had printed the images, warning they were now targets. As Western governments tried to calm tensions ahead of Friday prayers in mosques across the Middle East, protesters burst into the building housing the Danish embassy in Jakarta and burned the Danish flag to show anger over the publication of the cartoons by a Danish newspaper....