21.   Then on Friday afternoon, the couple heard knocking on the ceiling as Palestinian rescue workers were removing the rubble.

22.   There, they removed the rubble by hand.

23.   Engineer Ahmad Ossama said workers were removing rubble from the six top floors and working their way down.

24.   Rescue workers including police and army troops were scrambling to remove rubble from areas where they hoped survivors might be found after the landslide early Tuesday.