(Reuters) - The U.S. Treasury Department is looking into JPMorgan Chase's ( JPM ) relationship with a hedge fund that is said to be a part of Iranian oil trader Hossein Shamkhani's network, Bloomberg News reported on Friday.

(This story has been corrected to say 'Iranian oil kingpin's hedge fund,' not 'Iranian hedge fund,' in the headline)

(Reporting by Pritam Biswas in Bengaluru; Editing by Devika Syamnath)