The incident follows a number of bomb hoaxes targeting the airline Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Bomb threat assessors were alerted on Wednesday after an Air India Express flight to Varanasi received a security alert. The domestic Air India Express