The Latest: Lavrov criticizes US in call with Tillerson
Russian Foreign Minister Sergey Lavrov, in a phone call with U.S. Secretary of State Rex Tillerson, has criticized the U.S. for undermining the Syrian government's offensive against Islamic State fighters.
US reassures Turkey over arms provided to Syrian Kurds
Turkish officials: US Defense Secretary Mattis reassures Turkey on American arms provided to Syrian Kurdish fighters
IS says it has taken Tora Bora, bin Laden's Afghan hideout
The Islamic State group says it has captured Tora Bora, a mountain hideout in Afghanistan once used by Osama bin Laden, but the Taliban have dismissed the claim, saying they are still in control of the cave complex
Gloria Riviera is an ABC News correspondent currently based in Washington D.C. She covers a wide array of breaking, investigative and feature stories for the network's flagship broadcasts Good Morning America, World News and Nightline. She also contributes regularly to ABC News Digital and ABC News
Massive mudslide pours into Tajikistan valley
A massive landslide rolled through a valley in Tajikistan near the border to Kyrgyzstan today, partly blocking a road to the neighboring country.
St. Petersburg honors bombing victims as investigation continues
Scenes of quiet mourning commemorated Monday's deadly subway bombing in St. Petersburg today as family and friends remembered the 14 people killed and the 60 injured. Police named 22 year-old Akbarjon Djalilov, who they believe detonated a backpack bomb packed with shrapnel, as a suspect in the
Investigation into Russian subway attack continues
Russian investigators have confirmed that the subway bombing was a suicide attack.
Kyrgyzstan authorities identify suspect in subway bomb attack
GKNB security service has identified the suspected attacker as Akbarjon Djalilov, a Kyrgyz-born Russian citizen in his early 20s, according to Rahat Sulaimanov, a senior Kyrgyz intelligence official.
Russian investigators confirm subway bombing was a suicide attack
Russia's Investigative Committee said it believes it has found the remains of a suicide bomber after Monday’s subway attack in St. Petersburg that left 14 people dead and dozens more hospitalized. The suspect has been identified by authorities as Akbarjon Djalilov, a Kyrgyz -born Russian citizen in
Security implications follow Russia subway attack
Michael Leiter, a former director of the U.S. National Counterterrorism Center, speaks on "GMA" about who could be responsible for the attack and what it means for security in Europe and the United States.