The collision happened early on Saturday in the north-eastern state of Assam, local officials say. 

​The collision happened early on Saturday in the north-eastern state of Assam, local officials say.  

IndiGo has issued a travel advisory warning of potential flight disruptions due to early-morning fog in Delhi and northern India on Sunday. Reduced visibility may cause delays or schedule changes, with operations teams monitoring weather to minimize inconvenience. Passengers are advised to check flight status and rebook or seek refunds if affected.

Weather Forecast News Today Live Updates: Delhi Airport runs smoothly despite severe smog; AQI at 393. GRAP Stage IV in effect. Passengers should check for updates.