New Delhi, May 1 (IANS) Delhi Police Saturday said it was taking "appropriate measures" following the US' latest terror alert advisory to its citizens and also asked the public to be vigilant and pass on information about anything suspicious they see.

"Delhi Police is aware of the advisory issued by the US embassy of increased indications that a terrorist attack is imminent in New Delhi. The Delhi Police is taking appropriate measures in this regard," Rajan Bhagat, Delhi Police spokesman said.

"The public should be vigilant and if any suspicious object, person or vehicle is noticed, information should be passed on immediately to the nearest police station, or the public can call up our toll free number - 1090," he added.

The US Saturday issued a fresh advisory warning its citizens of "increased indications" of terrorists planning "imminent attacks" in crowded markets in the Indian capital.

This is the third American advisory in a month. It advises Americans travelling or residing in India to maintain "a high level of vigilance" and watch out for unattended packages.