The United Nations secretary-general is seeking 320 additional police for the U.N. peacekeeping mission in Congo as tensions over long-delayed elections have caused violence to spread into new areas of the country. The new report by Antonio Guterres to the U.N. Security Council, obtained by The Associated Press, says a recent political agreement reached by the ruling party and opposition to hold presidential elections this year is in peril as the sides engage in brinksmanship.