The customs has arrested two foreign nationals with USD 90,000 and more than 2.5 kg of gold paste concealed in books and undergarments in separate operations at Chhatrapati Shivaji International Airport, an official said on Tuesday.

A man from Azerbaijan travelling to Sharjah, was intercepted by the customs team on Sunday and USD 90,000 worth Rs 73 lakh were recovered from his possession, the official said.