Indonesia quake survivors await help as death toll climbs

Questions are sure to be asked why warning systems set up appear to have failed, and why more people in coastal areas had not moved to higher ground
* Death toll 844, seen as certain to rise
* Three days after the quake, the full extent of disaster unknown
* President Widodo promises food, supplies
* Disaster agency says more equipment, personnel needed
* Red Cross report deaths of 34 children at Christian camp (Updates with comment from disaster agency)
By Athit Perawongmetha
PALU, Indonesia &n