NEW : Demolition work is set to begin Sunday , could take a couple of days . Comment: Sinkhole now believed to be up to 60 feet deep . Bush frantically tried to rescue his brother , by standing in the hole and digging at the rubble with a shovel until police arrived and pulled him out , saying the floor was still collapsing . Jeff Bush is presumed dead after a sinkhole opened beneath his room . `` We 've done everything we believe that we can , '' says an official .
NEW : Demolition work is set to begin Sunday , could take a couple of days . Comment: Sinkhole now believed to be up to 60 feet deep . Jeff Bush is presumed dead after a sinkhole opened beneath his room . `` We 've done everything we believe that we can , '' says an official .