India, Nov. 7 -- Three workers were killed and several others injured when a portion of an under-construction structure collapsed at an industrial site in Hosur, on the Karnataka-Tamil Nadu border, police said. Police confirmed the deaths on Thursday and said the collapse took place at Vedarapalli, within the SIPCOT police station limits in Krishnagiri district.

The accounts differ on the number hurt. One said four workers were badly injured and moved to a private hospital, where they were being treated. The other put the injured at about ten. Several workers were trapped under the debris after the structure came down, and rescuers had to work through the rubble to reach them.

Police said the crew was laying concrete for a roof built in...