An explosion has hit a bus carrying presidential guards in Tunisia's capital, Tunis, killing at least 12 people, officials said.» Read More
"(The) Russian government ... has chosen aggression and intimidation as a first resort," Kerry said in a news conference in Ukraine's capital.
Secretary of State John Kerry says the people of Ukraine have the right not to go back to life as it was under former President Viktor Yanukovych and the United States stands with the people of Ukraine. The U.S. has offered $1 billion in a loan guarantee to support Ukraine's recovery.
CNBC's Michelle Caruso-Cabrera discusses what kind of assistance the U.S. is prepared to offer Ukraine.
Despite the ongoing turmoil in Ukraine, Wall Street looked set to rebound on Tuesday, following the worst day for markets in a month.
CNBC's Michelle Caruso-Cabrera discusses how the global markets are reacting to Vladimir Putin's comments on Ukraine. Also, Secretary of State John Kerry arrives in Kiev today.
Ukrainian Prime Minister Arseniy Yatsenyuk believes a political and diplomatic solution can be reached, reports CNBC's Steve Sedgwick.
If Crimea tries to secede from Ukraine with Russian support, there's almost nothing Ukraine could do to stop it.
CNBC's Michelle Caruso-Cabrera reports Secretary of State John Kerry told Russia it's important not to inflame the situation in Ukraine's Crimea region. Ad hoc military has taken control of the country.
Secretary of State John Kerry said the U.S. plans to provide $1 billion in loan guarantees and will consider direct assistance.
The Senate is working on new sanctions in case Iran cheats on its pledge to roll back its nuclear program.
CNBC's Michelle Caruso-Cabrera reports Secretary of State John Kerry addressed whether a nuclear deal was reached with Iran. Kerry said it was Iran that couldn't commit, not France.
CNBC's Michelle Caruso-Cabrera reports John Kerry will testify before Congress Tuesday over the nuclear deal. Former Pennsylvania Governor Ed Rendell (D), and SIFMA CEO Judd Gregg, weigh in.
U.S. Secretary of State John Kerry said on Friday important gaps needed to be bridged in high-stakes talks with Iran on curbing its nuclear program.
Washington entered the fifth day of a partial government shutdown on Saturday with no end in sight.
Alex Travelli, Hong Kong bureau chief of The Economist says the U.S. should maintain sanctions on Iran as a bargaining chip, until a credible nuclear deal is made.
Secretary of State John Kerry has confirmed the use of sarin gas in Syria. Michael Rubin, American Enterprise Institute, and Peter Brooks, Heritage Foundation, discuss whether Syria will show its entire weapons inventory, and if force is the answer.
CNBC's Eamon Javers reports Sec. of State John Kerry confirms sarin gas was used and killed Syrians.
CNBC's Seema Mody reports the biggest headlines from today including little progress in talks between Secretary of State John Kerry and the Russian Foreign Minister about chemical weapons in Syria.
Syria and Russia may be working on a resolution which would call for Syrian President Bashar Assad to surrender all of his chemical weapons immediately, reports CNBC's Eamon Javers.
Russia proposed on Monday that Syria hand over its chemical weapons to international control in an attempt to avert a U.S. military attack.