New Delhi, Nov. 11 -- The Indira Gandhi International Airport has tightened its security following the Delhi blast near Red Fort on Monday, authorities said on Tuesday issuing a passenger advisory.

In its advisory for travellers, DIAL, the operator of Delhi Airport, said that security screening process is likely to take a longer time in view of the prevailing situation.

"Due to prevailing security situation in Delhi, security measures at Delhi Airport have been strengthened and the security screening process may take longer than usual," DIAL said.

The passenger advisory comes a day after the powerful Delhi blast rocked the national capital as a car exploded near the busy area of Red Fort, and killed at least 13 besides injuring 20 othe...