Prime Minister Lee Nak-yon has ordered related agencies to do their best to rescue five crewmen missing after their fishing boat capsized overnight.<br /> The Prime Minister on Thursday urged defense and marine ministers and the commissioner of the Coast Guard to mobilize all equipment and manpower for the operation.<br />At 40-past midnight on Thursday, the South Korean-registered fishing boat collided with a Tanzanian cargo ship in waters off Shinan County on Korea's southwestern coast,... leaving three dead so far,... and three other crewmembers,.. still missing. <br />The Coast Guard's search is still ongoing. <br />