A close friend of Imran Khan, Zulfi Bukhari on Wednesday has appeared before National Accountability Bureau (NAB) in a related to offshore companies.

Zulfi Bukhari a London based businessman questioned for two hours and a three-member NAB team asked him to bring some documents from Britain and present before them.

Zulfi's name was added to the Exit Control List (ECL) in August as part of the probe. Earlier this year, NAB started an investigation into offshore companies held by Zulfi Bukhari . The accountability bureau is investigating about the use of the offshore companies to buy dozens of expensive commercial properties in London.