Chandigarh, May 9 The Chandigarh administration on Friday sounded an air raid siren, appealing to people to remain indoors. “An Air warning has been received from the air force station of a possible attack. Sirens are being sounded. All are advised to remain indoors and away from balconies,” an official statement issued by the Chandigarh administration said. The development comes amid escalating tension between India and Pakistan. (PTI) Share this:PostWhatsAppTelegramTweetEmailLike this:Like Loading... Post navigation Over 200 flights cancelled 18 airports temporarily closed for operations GoI extends closure of 24 airports till May 14 amid Indo-Pak tensions