About 180 Americans have traveled to Syria to join Islamist militants and around 40 of them have returned to the United States, the U.S. National Intelligence director, James Clapper, said on Monday.
Iran had a "deeply troubling" number of executions last year and did not keep a promise to protect ethnic and religious minorities, the United Nations said on Tuesday in its annual report on Tehran's human rights record.
Iran on Tuesday rejected as "unacceptable" U.S. President Barack Obama's demand that it freeze sensitive nuclear activities for at least 10 years, but said it would continue talks aimed at securing a deal, Iran's semi-official Fars news agency reported.