Iran said Saturday it plans to enrich uranium up to 20% at its underground Fordo nuclear facility “as soon as possible,” pushing its program a technical step away from weapons-grade levels as it increases pressure on the West over the tattered atomic deal.

Iranian newspapers proclaimed the country's attack on U.S. forces in Iraq to be "a dark night for Americans," and Washington's "first admission of failure in history." On the bustling streets of Tehran, however, there was relief Thursday that neither side appeared primed for war.

The global benchmark for crude oil rose above $70 a barrel on Monday for the first time in over three months, with jitters rising over the escalating military tensions between Iran and the United States.