GABORONE, June 18 (Reuters) - Botswana's Debswana Diamond Company on Tuesday reported a fatality at its Jwaneng mine following an accident involving a crane and drill rig.

The incident, which took place on Monday, involved an employee of one of Debswana's contracting companies, it said in a statement. Investigations into the incident are ongoing, Debswana added.

Debswana is a joint venture between the Botswana government and diamond giant De Beers, a unit of Anglo American Plc . (Reporting by Brian Benza, editing by Nelson Banya and Kirsten Donovan)