NEW YORK — The U.N. Security Council threatened sanctions Wednesday against spoilers in Libya’s presidential and parliamentary elections scheduled for December 24. “The Security Council recalls that individuals or entities who threaten the peace, stability or security of Libya or obstruct or undermine the successful completion of its political transition, including by obstructing or undermining the elections, may be designated for its sanctions,” the 15-nation council said in a presidential statement. The council also called on all Libyan stakeholders to respect the results of the vote and to work together “in the spirit of unity and compromise” afterward for a peaceful