Eight people were injured when an under-construction metro pillar collapsed at Sujanpura near the Alambagh bus station in Lucknow on Sunday morning.
The injured have been admitted to a nearby hospital, where condition of one is stated to be critical. Others are being treated for non-life threatening injuries.
According to reports, no casualties reported as of now.
15 personnel of the National Disaster Relief Force (NDRF) have reached the accident site to help in rescue operations.