Nagpur: Amid heightened alert across India, a 32-year-old dealer in second hand vehicles Irfan Khan was arrested at Dr Babasaheb Ambedkar International Airport on Wednesday morning after security personnel found him carrying two 0.2mm live cartridges. Khan, a resident of Taj Bagh, was about to board a Mumbai-bound flight when a cartridge was detected during baggage screening and another in his trouser, triggering alarm bells at the airport. Khan was handed over to Sonegaon police by security personnel. tnn