MORE: Back-to-back explosions rock airport, subway in Brussels
Air7HD captured video as black, yellow, and red graced the tallest building west of the Mississippi River.
Landmarks around the world displayed their support for Belgium following back-to-back bombings of the Brussels airport and subway.
MORE: Standing with Brussels: World landmarks display Belgian flag colors
The Islamic State group claimed responsibility for the attacks that killed more than 30.
Following the attacks, Belgian police released a surveillance photo of a suspect.