Bridge Collapses Infrastructure Failures Bridge Collapse Rescue Events Tunnel Collapse Rescue Operations Worker Safety Explosions Injuries Excavator Rollovers Wharf Collapse Demolition Building Collapses Kannauj Railway Station Crane Accident Building Collapse Zoo Incidents Roof Collapse Tunnel Collapses Rescue Missions Tunnel Incidents Highway Overpass Collapse Railway Accidents Scaffolding Collapse Fatal Construction Accidents Maritime Accidents Crane Collapses Search and Rescue Operations Crane Collapse Fatal Incidents Investigation