A Chinese fisherman is taken into custody by South Korean officials.
The boat captain is accused of stabbing a South Korean coast guard to death in waters near the North Korean border.
(SOUNDBITE) (Korean) AHN SUNG-SHIK, DIRECTOR OF CRIMINAL INVESTIGATION DIVISION AT INCHEON COASTGUARD
"The captain in the steering house of the vessel stabbed two of our Incheon coast guards with an unidentified sharp lethal weapon at around 6:59 am local time. One died and the other was injured and is being treated now."
Another coast guard was injured and is being treated in hospital.
The Chinese government says it is willing to work with South Korea over the incident.
(SOUNDBITE) (Mandarin) CHINESE FOREIGN MINISTRY SPOKESMAN LIU WEIMIN
"We also hope the South Korean side can properly protect the legitimate rights of Chinese fishermen and treat them in a humane way. We are willing to work with South Korea to promote the continued healthy development of fishing cooperation between the two sides."
The Yellow Sea is often the site of violent clashes between Chinese fishermen and coast guards trying to prevent illegal fishing.
Around 2,600 Chinese fishing boats have been caught illegally operating in Korean waters since 2006.
Jessica Gray, Reuters