Soon after the train was stopped, a full-scale security operation was launched, involving multiple agencies, including the Railway Protection Force (RPF), local police, bomb disposal squad (BDS), dog squad, fire department officials, and civil administration officers.

Delhi-NCR struggled with dense fog, flights and trains services were hit as visibility reached zero. The capital continued to choke under severe air pollution, with the Air Quality Index (AQI) touching 439 at 7 am today.