Rescuers said they have not detected any signs of life from the rubble of a five-story building that tumbled down while full of construction workers, killing at least 17 and injuring more than 100 in the Kenyan capital.
Radar, acoustic tests and specially trained dogs indicated there was no sound or movement beneath the building, which collapsed Monday.
The dogs could not detect anyone in the rubble, Israeli Maj. Avi Berman told The Associated Press at the site Wednesday.
"If there is anyone in the rubble, they are either unconscious or dead. It has always been a race against time, but now the chances of finding someone alive are extremely slim," he said.
Government spokesman Alfred Mutua said rescuers would not give up the search.
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