India, June 25 -- West Bengal chief minister Suvendu Adhikari has ordered an audit of the building plans sanctioned in Kolkata before the Bharatiya Janata Party (BJP) came to power in May, even as municipal authorities suspended all construction work until July 31 after the under-construction warehouse collapsed in the city's Taratala industrial area on Wednesday, leaving eight people dead and 20 injured.

A rescue and search operation continued at the collapse scene. "The operation continued throughout the night and is still ongoing. Rescuers used ground-penetrating radar to locate victims trapped under the debris. Sniffer dogs were also deployed," said an official.

Some people are still feared to be trapped under the debris. "The Army,...