The police force in charge of security at Delhi's main airport has denied reports that people have been shot and injured there.
The Indian authorities have strongly denied reports of a shooting incident at Delhi's main international airport.
Police are investigating "two sharp sounds that were heard at the airport", the force told the BBC's Delhi bureau.
Passengers are said to have panicked and mistakenly reported shots being fired after two loud noises were heard in the international flights section.
Earlier, airport officials told the BBC shots had been fired, and that several gunmen had been killed or injured.
Tensions have been high in India since last week when gunmen went on a shooting spree in Mumbai, killing nearly 200 people.
Security has been strengthened at Indian airports after warnings of possible attacks.
Security has been strengthened at Indian airports.
Indian media reported that operations at Delhi's main international airport appeared to have returned to normal after security forces examined the terminal after the security alert.
Tensions have been high in India since last week when at least 10 gunmen went on a shooting spree in Mumbai, killing nearly 200 people.
Indian officials have blamed Pakistan-based militants for the Mumbai attacks.
