URGENT: SEOUL, South Korea -- A news agency says a South Korean navy ship has fired shots at an unidentified ship.
The South Korean navy reportedly shot at an unidentified ship near North Korea as one of its vessels is sinking near the maritime border along the country's west coast.
South Korea's Yonhap news agency said late Friday that the navy ship fired shots toward North Korea.
The report comes as South Korean officials confirm that a navy ship is sinking off the west coast near the border with North Korea. There's no word yet on what caused the sinking.