PETALING JAYA – AirAsia Group Berhadposted revenue of RM2.31bil in the first quarter, an almost RM800mil loss compared to the RM2.73bil revenue posted last year. AirAsia chief executive officer Tan Sri Tony said in a statement that the current period is by far “the toughest challenge” the company has ever faced. He added that AirAsia have been restructed the group …