AP - North Korea's communist regime has warned of a nuclear war on the Korean peninsula while vowing to step up its atomic bomb-making program in defiance of new U.N. sanctions.

AP - Opponents of Mahmoud Ahmadinejad clashed with police in the heart of Iran's capital Saturday, pelting them with rocks and setting fires in the worst unrest in Tehran in a decade. They accused the hard-line president of using fraud to steal election victory from his reformist rival.

AFP - A defiant North Korea vowed Saturday to build more nuclear bombs and to start enriching uranium for a new atomic weapons programme after the UN Security Council imposed sanctions for its nuclear test.

AFP - Hardline incumbent Mahmoud Ahmadinejad was on Saturday declared winner by a landslide in Iran's hotly-disputed presidential vote, triggering riots by opposition supporters and furious complaints of cheating from his defeated rivals.

Reuters - Pakistani warplanes struck a stronghold of Pakistani Taliban leader Baitullah Mehsud on Saturday, hours after President Asif Ali Zardari vowed to wage war against militancy "to the end."

Reuters - U.S. envoy George Mitchell discussed on Saturday Washington's Middle East peace efforts with Syrian President Bashar al-Assad, marking a further thaw of relations between the two countries.

Reuters - President Barack Obama on Saturday proposed an additional $313 billion in cuts to Medicare, Medicaid and other programs to pay for healthcare reforms expected to cost about $1 trillion over the next decade.

Reuters - The world's rich nations, heartened by signs the credit crisis is easing, have started to consider how to unwind rescue steps for their economies once recovery is certain, their finance ministers said on Saturday.

Reuters - North Korea said on Saturday it would start a uranium enrichment program and weaponize all its plutonium in response to fresh U.N. sanctions, which the United States said it would work vigorously to enforce.

Reuters - Thousands of people clashed with police Saturday after the disputed election victory of President Mahmoud Ahmadinejad sparked the biggest protests in Tehran since the 1979 Islamic revolution.

AP - Sidney Crosby lifted the Stanley Cup, injured knee and all, with a smile of satisfaction as wide as a goal crease. A few handoffs later, the silver trophy was passed to Mario Lemieux, and how fitting.

AP - A potentially dangerous hydrogen gas leak cropped up during the fueling of space shuttle Endeavour on Saturday and forced NASA to postpone the launch by at least four days.

AP - Nearly 700,000 calls were received by a federal hot line this week from people confused about the nationwide switch from analog to digital TV broadcasts that occurred Friday.