''As time passed, the western rebellion grew. Although a coordinated attack as large as the one which took place on 25 February 1968 never recurred, government troops found themselves embroiled in more and more places. By mid-1969,' several reports told of insurgent hideouts in the Elephant Chain, and of rebel bands with "Vietnamese advisors." At the same time, Cambodian police at Sihanouk- ville warned foreigners not to drive towards Phnom Penh at night because Red Khmers made the roads unsafe