Another analyst said military exercises close to the North Korean coast have always angered Pyongyang.
Divers found the boy's body a week after the ship capsized off the South Korean coast.
This small island is just 16 kilometers, or 10 miles, from the North Korean coast.
Kim was born on the remote island of Haui-do off the south-west Korean coast.
A North Korean submarine lands commandos on the South Korean coast.
During a clash in 2008, a South Korean coast guardsman drowned after he was hit by a Chinese fisherman.
The United Sates and South Korea recently concluded five days of antisubmarine drills off the South Korean coast.
Yeonpyeong sits just off the North Korean coast in fishing grounds rich with crabs and other shellfish.
Sea urchin, seaweed rice, crispy quinoa Mr. Yim was traveling along the Korean coast when he ate a local specialty, sea squirt bibimbap.
Admiral Togō Heihachirō's fleet lay in wait for him on the south Korean coast near Pusan, and on May 27, as the Russian Fleet approached, he attacked.
The South cut off all aid, toughened its military rules of engagement and bolstered its military installations on Yeonpyeong and other islands off the North Korean coast.
