By Anthony Boadle BRASILIA (Reuters) - Environmentalist Marina Silva would handily beat President Dilma Rousseff if Brazil's October election goes to a runoff, a poll showed on Wednesday, an outcome that seemed unimaginable just a few weeks ago and one that would put an end to 12 years of Workers' Party rule. Silva would win 43.7 percent of the votes to 37.8 percent for Rousseff in a likely second round of voting, said the survey by polling firm MDA. Both polls point to a probable runoff because Rousseff looks unlikely to win more than 50 percent of votes in the Oct. 5 election. Silva has clearly pushed the other main opposition candidate and market favorite, centrist Aecio Neves, into third place and is luring away some of his supporters, the polls showed.
By Louis Charbonneau UNITED NATIONS (Reuters) - Libya warned the U.N. Security Council on Wednesday that the chaotic North African state could descend into full-scale civil war if heavily armed warring factions are not disarmed. The 15-nation council met to discuss Libya days after its parliament, which was replaced in an election in June, reconvened and chose an Islamist-backed deputy as the new prime minister. "The situation in Libya is complicated," Libya's United Nations Ambassador Ibrahim Dabbashi told the council. "Yet the situation since the 13th of July has become even more complicated and the situation might unravel into a full-blown civil war if we're not very careful and wise in our actions." On July 13 heavy fighting broke out between rival militias vying for control of Libya's main airport, killing at least seven people and forcing a halt of all flights in the worst fighting in the capital for six months.