A Raipur-Mumbai Kingfisher flight on Monday made an emergency landing at the city airport due to a technical snag, airport sources said.The flight 3254 developed a technical snag and made an unscheduled emergency landing at the Dr Babasaheb Ambedkar International airport in Nagpur, they said.All the passengers were safe and Kingfisher airlines engineers were attending the problem, he added.There were 158 passengers besides six crew members on board, an airlines spokesman said in Nagpur.