The rescuers struck at the concrete with jackhammers, excavators and even pickaxes, pausing occasionally and demanding silence, straining to hear anyone still trapped under the collapsed building.
Beneath the rubble, nothing stirred. They resumed, many working through the night after Israel carried out airstrikes on residential buildings across the street from Rafik Hariri university hospital, killing 18 people, including four children, and wounding 60 on Monday night.
