Medium-sized gold miner DRDGOLD said on Thursday that one of its employees had been killed in xenophobic attacks in South Africa that had also led to a drop in output at one of its mines in Johannesburg.

Bigger mining players in South Africa, which said they employ foreigners from Africa who have been the target of the attacks, said their staff and operations had so far not been affected by the anti-immigrant attacks that spread from Johannesburg.

The migrants are accused by many poor South Africans of taking scarce jobs and fuelling crime. So far, 42 people have been killed and 15,000 displaced in the fighting.

The gold mining district of the East Rand where DRDGOLD's struggling EPRM mine is located has been hard hit by marauding armed mobs, targeting settlements near the mine, where workers drawn mainly from neighbouring Mozambique and Lesotho live.

But DRDGOLD said the company's worker who was killed was a South African citizen, probably caught up in the fighting.

One of the workers was killed over the weekend in Ramaphosa township ... He was a South African and died of gunshot wounds, James Duncan, a spokesman for DRDGOLD, said.

Duncan said it was not immediately clear how much output had been lost, but many of the mine's workers had stayed away from work since the weekend, Duncan said.

On Thursday, around 58 percent of the 400 to 500 workers had shown up on the day shift.

Earlier this month, the company said the EPRM mine's output for the quarter to end-March fell 21 percent to 17,362 ounces from the quarter to end-December last year.

Duncan said DRDGOLD was assisting the workers' families with shelter and provisions, and granting advances to the workers to send their families back home to Mozambique or elsewhere.

He said the workers had been long-term employees at DRDGOLD.

Most workers at another mine, the small unlisted Primrose Gold Mine, who were mostly Mozambicans, had stayed away from work since the weekend, an official at the mine said.

AngloGold Ashanti , the world's third biggest gold producer, employs 37,000 employees at its South African operations, including contract workers, and a third of these were foreign nationals from other African states.

No one has been affected as far as we know, Alan Fine, a spokesman for the company said.

Gold Fields , which has some 47,000 employees in its South African operations, said about 40 percent were from the neighbouring countries, but were all accounted for.

Harmony , Anglo Platinum , Impala Platinum were also unaffected, officials the firms said.

South African President Thabo Mbeki called for the army's intervention as the attacks now appear to be a national crisis that has threatened to destabilise Africa's largest economy, and the regular police services appear to be overwhelmed. (Editing by Ben Tan)

(c) Reuters 2008. All rights reserved. Republication or redistribution of Reuters content, including by caching, framing or similar means, is expressly prohibited without the prior written consent of Reuters. Reuters and the Reuters sphere logo are registered trademarks and trademarks of the Reuters group of companies around the world.