SEOUL, Sept 8 (Reuters) - South Korean Foreign Minister

Cho Hyun said on Monday he will start discussions with

Washington on improving the U.S. visa system for Korean workers

when he heads to the United States later on Monday.

Cho spoke at a South Korean parliament committee hearing

discussing the detention of hundreds of Korean workers during an

immigration raid at a Georgia battery plant being built by

Hyundai Motor ( HYMLF ) and LG Energy Solution.