Pentagon spokesman Peter Cook said that the airstrike targeted a training camp that was used by more than 70 fighters.
A deal between the Colombian government and the rebel group is likely to miss its self-imposed March 23 deadline.
Without a united effort in Europe to share intelligence among countries, attacks like Tuesday's Brussels bombings could continue, security experts say.
The Islamic State group might seem to be gaining ground abroad, but it’s losing its most important claim to success: its self-proclaimed state.
Among Western European countries seeing their people leave to become foreign fighters in Iraq and Syria, Belgium has the highest number, per capita.
Europe faces fairly short-lived economic damage from the deadly bombings, but the political backlash could be much more severe.
With terrorism fears feeding opposition to immigration and refugees, the attacks will be used as evidence that Britain would be safer outside the EU.
New York police said Monday they were monitoring Tuesday's terror attacks in Belgium and were in contact with “international partners,” as well as the FBI.
Belgium faced 315 anti-terrorism cases last year and already 60 in 2016.
Although it is too early to confirm Tuesday’s bombings were part of a coordinated Islamic State group attack, the incident has all the markings of one.
Meanwhile, one of the woman's twin daughters was injured by flying debris, a report said.
The country has seen growing attacks in both its capital city of Ankara and its major cultural and financial hub, Istanbul.
Moscow warned Monday it would begin the use of force against ceasefire violations in Syria unilaterally if the U.S. refuses to coordinate rules of engagement.
The other victims of the attacked included two Israeli citizens.
Body parts of a man linked to the Islamic State group were found at the scene of the bombing, which left at least five dead and 36 wounded Saturday.
John Cantlie has been held captive for more than two years by Islamic State group militants.
The members are among 850 people arrested in the country on charges of links to Boko Haram, which pledged allegiance to the Islamic State group in 2015.
The Republican presidential hopeful's group includes former Bush administration staffers and members of a controversial think tank.
The statement Thursday from Secretary of State John Kerry regarding atrocities committed in the war-torn countries is the first time the U.S. has used the genocide designation since 2004.
The group described Sunday's car bombing as revenge for security operations that have been underway since July in the mainly Kurdish southeast.
Local media reported that freelance journalist Junpei Yasuda may be held by al Qaeda’s Syria wing, the Nusra Front, possibly for ransom.
No group has claimed responsibility for the suicide bomb attack at a mosque in the northeast Nigerian city of Maiduguri Wednesday.
