<h1>Aviation safety disruptions: multiple international flights cancelled after technical issues and airspace closures, prompting refunds and accommodations.</h1> Air India cancelled international services and terminated a long haul flight at a stopover after technical issues identified in pre flight and post landing checks and after airspace restrictions lengthened aircraft turnarounds; the carrier offered hotel accommodation, refunds, and rebooking while investigators continue probing a recent fatal take off accident and regional airspace closures affected routings.