U.S. warns of rising threat of violence amid outrage over anti-Islam video

(CNN) -- After days of protests and related violence, concerns are growing that furor over an anti-Islam video could intensify even more Friday -- threatening U.S. interests abroad and at home.

U.S. struggling to determine whether Libya attack was planned

WASHINGTON (CNN) -- The United States is struggling to determine whether a militant group planned the attack that killed its ambassador to Libya and three other Americans, even as warships head toward the north African country as part of a mission to hunt down and punish the killers.

Protests near U.S. Embassy in Cairo continue after Obama warning

CAIRO (CNN) -- Protests outside the U.S. Embassy in Cairo continued into Friday, after U.S. President Barack Obama issued what is being seen as a stern warning to Egypt that relations between the two countries will be shaped by "how they respond to this incident."

Hundreds in Iraq protest inflammatory anti-Islam video

BAGHDAD (CNN) -- Hundreds took to streets in Iraq on Thursday, castigating an inflammatory anti-Islamic video and the nation where it was produced, the United States.

Romney, Obama navigate Arab world turmoil

WASHINGTON (CNN) -- Is this week's anti-American chaos in the Arab world going to be President Barack Obama's Jimmy Carter moment or Republican challenger Mitt Romney's John McCain moment?

Arrest made in connection with deadly assault on U.S. consulate in Libya

WASHINGTON (CNN) -- At least one person has been arrested in the killing Tuesday of U.S. Ambassador to Libya Christopher Stevens and three other Americans, the Libyan prime minister said Thursday.

Uncle of ambassador killed in Libya says attack "devastating"

An Arabic speaker who loved Libya and understood it deeply, Stevens died along with three other Americans when an angry mob stormed the U.S. Consulate in Benghazi.

Thompson, Baldwin react to attack on embassy in Libya

MADISON -- Tommy Thompson and Tammy Baldwin, candidates for U.S. Senate in Wisconsin, offered statements regarding the U.S. embassy attacks in Libya.

U.S. ambassador to Libya, three others killed in rocket attack

TRIPOLI, Libya (CNN) -- Chris Stevens, an American who risked his life to help Libyans overthrow dictator Moammar Gadhafi, was killed overnight in the former rebel capital of Benghazi -- a city he helped save, making it an especially tragic place for him to die, President Obama said Wednesday, September 12th.

Biden mourns consulate loss in Ohio, will speak in WI Thursday

Fairborn, Ohio (CNN) -- Vice President Joe Biden forcefully responded at a campaign event on Wednesday, September 12th to the violence that killed four American diplomats in Libya.

Four hours of fire and chaos: How the Benghazi attack unfolded

(CNN) -- Inside a safe room of the U.S. consulate in Benghazi, Libya, Ambassador Chris Stevens took cover with two other foreign service officers.

New protest turns violent outside U.S. Embassy in Cairo

Six police officers suffered minor injuries during the clashes, said Alla Mahmoud, a spokesman for the Egyptian Interior Ministry.

U.S. increases embassy security worldwide after Libya attack

(CNN) -- The United States moved to increase embassy security around the world after the attack that killed the U.S. ambassador to Libya and three staffers.

Libya, West condemn Benghazi killings; Afghans blast anti-Muslim film

(CNN) -- Global reaction poured in Wednesday, September 12th to the attacks on U.S. diplomatic missions in Egypt and in Libya, where U.S. Ambassador Chris Stevens and three other Americans were killed amid Muslim outrage over a film mocking the Prophet Mohammed.

Drones to search for Libyan attack suspects, Marines dispatched

WASHINGTON (CNN) -- The Pentagon dispatched a contingent of Marines to Libya, moved warships toward its coast, and planned to use drones in a stepped up search for those responsible for an attack on a U.S. consulate that killed the American ambassador and three others.

Obama responds to attack that killed U.S. ambassador, others

In a White House statement, Obama also said he had ordered "all necessary resources to support the security of our personnel in Libya, and to increase security at our diplomatic posts around the globe."

Ryan: Attacks a reminder world needs US leadership

DE PERE (AP) -- Republican vice presidential candidate Paul Ryan began his remarks at a town hall meeting near Green Bay on Wednesday, September 12th asking for a moment of silence for those killed in the attacks in Egypt and Libya.

Libya leader apologizes for attack on U.S. consulate

TRIPOLI, Libya (AP) -- Libya's interim president has apologized to the United States for the attack on the U.S. consulate in the eastern city of Benghazi that killed the American ambassador and three of his staff.