U.S. Secretary of State Hillary Clinton says the United States and its European partners have applied additional sanctions against Iran and will continue applying pressure against that country's leadership.
Speaking at a joint news conference with British Foreign Secretary William Hague after a meeting at the State Department in Washington, Clinton said that "the path that Iran seems to be going down is a dangerous one for themselves and for the region."
Last week, EU leaders called for more sanctions against Iran by the end of January in an effort to increase pressure on Tehran over its disputed nuclear program.
The U.S. and other governments suspect Iran of secretly trying to develop a nuclear weapons capability, a charge echoed in a recent report
by the International Atomic Energy Agency (IAEA).
Iranian students form a human chain in November around a uranium conversion facility at Isfahan to show support for that country's nuclear program, which its leaders insist is not aimed at weapon-making.
The UN Security Council has passed four rounds of sanctions targeting Iranian imports in an effort to change Tehran's ways.
The United States and Europe
have each ratcheted up punitive measures in recent months, while the IAEA's board in November backed a tightening
in a move Tehran decried as a "historic mistake."
Iranian officials insist their nuclear efforts are purely civilian.
Mounting tension between Tehran and London, fueled in large part by the nuclear dispute, led to the recent storming of two British diplomatic compounds
in Tehran by Iranian mobs and the mutual expulsion of diplomatic staff.
compiled from Reuters and RFE/RL reports