1.   At one point Sekins used a World Trade Center shopping guide to draw a map of unstable buildings and other dangerous structures.

2.   His wife, Roxanne, said she was worried about the unstable building collapsing and burying the search and rescue unit.

3.   The deaths stunned neighbors, who saw Ms. Brito and her children as a stable family in an unstable building.

4.   Work had to be suspended several times Thursday as unstable buildings in the area continued to shift, spurring fears that another collapse was imminent.

5.   Crews had spent much of Saturday removing tons of debris by hand and bolstering the unstable building in the Rio Piedras shopping district.

6.   Machines will be brought within days to begin removing rubble and bodies so firefighters can stop working in the dangerously unstable building, the governor says.

7.   Rosas and Thompson are buried under a pile of huge concrete chunks at the base of the unstable building.