HARARE (Reuters) – Zimbabwe’s gold miner RioZim has closed its three mines due to a shortage of dollars, the company said in a letter to the central bank seen by Reuters on Wednesday.

RioZim is the southern African nation’s third biggest gold producer and early this month threatened legal action to force the Reserve Bank to pay it more U.S. dollars for part of its output.

Reporting by MacDonald Dzirutwe; Editing by James Macharia