With search for victims over, NYC officials look to what caused fatal building collapse

By Thursday afternoon, eight people were dead, including two children, and 18 others were injured. One person remained in critical condition.

The rescue operation continued as a storm soaked the area in rain.

By 4 p.m just as skies were clearing again, the FDNY declared the search and rescue operation over.

City officials said they began an investigation immediately after the collapse, one of the worst such disasters in recent city history.