President Joe Biden speaks about the bombings at the Kabul airport that killed at least 12 U.S. service members, from the East Room of the White House, Thursday, Aug. 26, 2021, in Washington. (AP Photo / Evan Vucci)

President Joe Biden vowed Thursday to complete the evacuation of American citizens and others from Afghanistan despite the deadly suicide bomb attack at the Kabul airport. He also promised to avenge the deaths, declaring to the extremists responsible: “We will hunt you down and make you pay.”

Smoke rises from a deadly explosion outside the airport in Kabul, Afghanistan, Thursday, Aug. 26, 2021. (AP Photo / Wali Sabawoon)

Two suicide bombers and gunmen attacked crowds of Afghans flocking to Kabul’s airport Thursday, transforming a scene of desperation into one of horror in the waning days of an airlift for those fleeing the Taliban takeover.

In the wake of the attacks in Brussels, the recently appointed Special Agent in Charge for the FBI division in Chicago joins “Chicago Tonight” to discuss the challenges in addressing terrorist threats.

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Chicago authorities are increasing security at key locations in the wake of the terrorist attacks in Brussels. Mayor Rahm Emanuel said there are “no known threats” to Chicago at this time.

Two local men were arrested on charges of aiding the ISIS terror group.

As ISIS uses bulldozers and sledgehammers to destroy priceless antiquities in Iraq, we talk with an expert from The Oriental Institute at The University of Chicago about what is being lost.

As President Obama requests a war authorization from Congress, we examine whether the battle against ISIS has reached a tipping point. And, in the Ukraine, will a fragile new ceasefire pave the way for a comprehensive settlement of that crisis? We have analysis.

We sit down with experts to check in on the crisis in Iraq.