Chennai Airport enforced multi-layer security checks after repeated threat calls, causing delays to major international departures. Officials ask travellers to arrive early amid congestion. https://english.mathrubhumi.com/news/india/chennai-airport-security-delays-flights-ccjojfwp?utm_source=dlvr.it&utm_medium=mastodon #ChennaiAirport #FlightDelays #AirportSecurity #AviationUpdates