In the backdrop of the Pathankot terrorist attack, security was beefed up at the airport here and visitors entry has been banned for almost a week, police said today.
The airport has been put under a five-tier security arrangement and visitors entry banned for six days from today, they said.
Apart from the existing three tier-security provided by the CISF personnel, Tamil Nadu police would man the outer ring of the airport and surroundings.
Police have requested the people in and around the vicinity of the airport to inform them if they notice any suspicious movement of strangers.
