Bookrix: SPRINGHILL GROUP KOREA: NKorean Fishing boats said to violate sea boundary

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Bookrix SPRINGHILL GROUP KOREA NKorean Fishing
boats said to violate sea boundary
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"Springhill Group Seoul Korea" - SEOUL, South
Korea (AP) North Korean fishing boats crossed
the Koreas tense western sea boundary and
retreated soon after being warned Wednesday in
the second such violation this year, South Korea
said
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 No fighting erupted though the border is one the
North has long refused to recognize. A North
Korean government boat briefly crossed the
boundary while trying to guide the seven fishing
boats back to North Korean-controlled waters, a
South Korean Defense Ministry official said on
condition of anonymity, citing office rules. 
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Later Wednesday, seven North Korean boats again
violated the boundary, but they all sailed back
after a warning was broadcast, the official said.
It wasnt clear whether they were the same seven
boats that earlier crossed. Seoul says North
Korean fishing boats last crossed in April.
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The disputed sea boundary is not clearly marked,
and incursions by North Korean military and
fishing boats are not unusual. Violence often
erupts in the seafood-rich waters, and three
naval clashes since 1999 have taken a few dozen
lives. After the Korean War ended nearly 60 years
ago with a truce, not with a peace treaty, the
U.S.-led U.N. 
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Command divided the Yellow Sea without
Pyongyangs consent. The boundary cut North Korea
off from rich fishing waters, and Pyongyang has
contested the line ever since. North Korea
shelled a front-line South Korean island near the
boundary in November 2010, killing four people.
Earlier in 2010, an explosion ripped apart a
South Korean warship in the area, killing 46
sailors. Seoul said Pyongyang torpedoed the
vessel. North Korea denies responsibility.