IndiGo has extended flight cancellations to Riyadh until 31 October and to Jeddah, Dammam and Madinah until 27 October amid security concerns in Saudi. IndiGo extends flight cancellations to Riyadh until October 31 and suspends services to Jeddah, Dammam, and Madinah until October 27 amid security concerns after an attack at King Fahd.