41.   The North Koreans were rescued by a South Korean navy patrol near the western sea border Monday afternoon and brought to Inchon, west of Seoul.

42.   The northern limit line is an unofficial sea border between the two Koreas.

43.   The Korean sea border is not clearly marked, prompting the two sides to lay conflicting claims to waters.

44.   The North insists the submarine was on a routine training mission when it developed engine trouble and drifted across the sea border.

45.   The sea border was calm on Sunday.

46.   The Philippines and Malaysia held border crossing exercises Tuesday aimed at fighting piracy and crime along their common sea border, a military official said.

47.   The presidents of Latvia and Lithuania pledged in a telephone conversation Saturday to continue talks between the two nations on determining their disputed sea border.

48.   The sea border was calm Sunday.

49.   The Ukrainian-controlled island is just off the coast of Romania and the two countries have been unable to agree on where to set the sea border.

50.   They insist that new rules be adopted only after a new sea border is drawn under a U.N. convention.