11.   But the North, citing political and safety reasons, flatly rejected South Korean reactors, jeopardizing the US-North Korea negotitation.

12.   But the North hinted last week that it would reject South Korean reactors.

13.   But the North, citing political and safety reasons, has flatly rejected South Korean reactors, jeopardizing the US-North Korea negotiations.

14.   But the North, citing political and safety reasons, has flatly rejected South Korean reactors, to the point of jeopardizing the US-North Korean negotitations.

15.   But the North, citing political and safety reasons, has flatly rejected South Korean reactors.

16.   The North, citing political and safety reasons, flatly rejected South Korean reactors, jeopardizing the US-North Korea negotitation.