Sound detectors were used to locate survivors beneath the slabs by picking up faint moans and cries.
Tunnelling experts from Britain, Ireland and Japan who were involved in nearby construction for the (Singapore) Mass Rapid Transit, including Thomas "Tommy" Gallagher, Thomas Mulleary, Patrick "PJ" Gallagher, Michael Prendergast, Michael "Mickey" Scott, and Tan Jin Thong, offered to assist [REF].