Oct 13 (Reuters) - KGHM KGH.WA :
* Poland's KGHM, which is one of the world's biggest copper and silver producers said on Friday that an accident at its Polish smelter will result in copper output fall by 14,000 tonnes.
* KGHM also said that it plans to resume production at the smelter on October 27.
* KGHM said in March that it saw its 2017 copper output at 549,000 tonnes.