Mock terror and chemical attacks were carried out simultaneously at various stations of Delhi Metro early Thursday morning to check emergency response of various agencies involved in disaster management. Monitored by the National Disaster Management Authority, the mock drills were carried out simultaneously at Rajiv Chowk (terror attack), Chawri Bazar (toxic gas release), Rithala (bomb blast at parking area) and Shastri Park (call about planting of bomb at train depot) at around 6:15 am. Full Story