https://www.mercurynews.com/2021/06/28/tunneling-florida-rescuers-spot-voids-search-for-survivors/

By TERRY SPENCER and RUSS BYNUM

SURFSIDE, Fla. (AP) — Rescue workers digging feverishly for a fifth day Monday stressed that they could still find survivors in the rubble of a collapsed Florida condo building, a hope family members clung to even though no one has been pulled out alive since the first hours after the structure fell.