Days after an IndiGo flight at the Delhi airport was grounded after fuel was leaking from its wings, the airlines is back in the news after one of its passengers bus caught fire at the Chennai airport. No injuries were reported as there were no passengers onboard the coach. The fire staff rushed to the spot to control the fire. The video of the incident is now going viral on social media. These frequent incidents has raised serious concerns about the safety measures undertaken by the airlines. Watch video to find out more.