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Reports that North Korea's second most high-ranking official to Kim Jong Un has vanished. CNN's Brian Todd reports on his whereabouts.

A Democrat makes history. Saudi Arabia makes a big change. And Disney makes a big purchase. What do you remember from the week that was?

Russia's next presidential election will be held on March 18, 2018, state-run news agency Tass reported Friday.

A UN official who just returned from Pyongyang, where he spent several days speaking with North Korean officials, has said he is "really worried about an accidental move toward conflict."

Read CNN's Fast Facts on Michael Schumacher and learn more about the life of seven-time Formula One world champion.

Standing in front of a display of recovered missile debris, US Ambassador to the UN Nikki Haley presented what she called "concrete evidence" of Iran's weapons proliferation on Thursday at a military base in Washington and called on the international community to join "a united front in resisting this global threat."

President Donald Trump spoke Thursday with his Russian counterpart Vladimir Putin, who earlier in the day praised progress made by the Trump administration but chastised its approach to North Korea.

Their missions vary greatly: To provide loving homes for orphaned children, feed those in crisis or mend war's psychological wounds.

Apple has released its most expensive computer: iMac Pro.

Two US F-22 stealth fighters intercepted two Russian aircraft Wednesday after the Russian jets crossed the Euphrates River in Syria, flying east of the "de-confliction line" that is supposed to separate Russian and US-led coalition aircraft operating over Syria, two US defense officials told CNN.

US military advisers and their local Syrian partners killed 21 ISIS terrorists and captured 17 more during a battle near a key strategic base Tuesday, two US military officials told CNN.

Russian President Vladimir Putin said Thursday that his US counterpart Donald Trump had made some "fairly serious achievements" since he took office and derided what he called the "espionage mania" surrounding meetings held by Trump associates with Russian officials.