istanbul attack
The twin attacks on Saturday killed 44 people.
President Tayyip Erdogan says the incident is "completely within the framework" of the militant group.
The decision comes one week after Democrats held a 26-hour sit-in over gun violence.
WHAT'S HAPPENING
Officials say Tuesday night's suicide bombers hailed from Russia, Uzbekistan and Kyrgyzstan.
The attack on Europe's third-busiest airport was the deadliest in a series of suicide bombings in Turkey this year.
There's a serious empathy gap.
People mourn with touching art and trending hashtags.
Here's what you can do.
No group has yet claimed responsibility for the airport massacre.