The airport customs has seized 2.4 kg of heroin worth Rs 16.8 crore at the Chhatrapati Shivaji Maharaj International Airport after arresting a foreign national, an official said on Monday.

According to the official, based on specific intelligence, the Mumbai airport customs intercepted the foreign national who arrived from Entebbe, Uganda, and seized 2.4 kg of the contraband value at Rs 16.8 crore from him on Sunday.