Rescue workers scoured muddy terrain for survivors and bodies on Saturday as the death toll from a landslide at a Malaysian campsite rose to 21, including five children, authorities said. A dozen people were still missing after a predawn landslide hit a campsite at an organic farm on Friday near the town of Batang Kali just outside the capital Kuala Lumpur. Officials said there had been more than 90 people, most of them asleep, at the campsite near a mountain casino resort when the landslide struck. Authorities said 61 people had been found safe or rescued. Two of the victims were “believed to…