Tripoli, Jan. 13 -- The Libyan dinar tumbled to a decade-low against the U.S. dollar on the parallel market on Monday amid mounting economic uncertainty and rising tensions between parliament and the country's top financial officials.

The dollar was trading above 9 dinars in major cities, including Tripoli, Benghazi, and Misrata, according to local traders and figures published by Al-Sada Economic newspaper. This is the weakest level the dinar has reached in at least a decade.

The sell-off gathered pace after Naji Mohammed Issa Belgasem, the governor of the Central Bank of Libya, and the head of the National Oil Corporation Masoud Suleman failed to appear before parliament in Benghazi. Lawmakers had summoned them to explain the country's ...