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The Service Employees International Union says it has called off a strike expected to occur Tuesday night and Wednesday at Reagan National Airport “out of respect for innocent victims” involved in the Brussels terrorists attacks that killed at least 30 people today.

The 24-hour strike across 10 U.S. airports was intended to bring attention to low wages garnered by baggage, security, and other workers as well as alleged retaliation by management for organizing. More than 2,000 workers were expected to participate across the country, according to the Post. (Dulles workers were not going to join.) SEIU didn’t provided a postponement date for the strike.

“We stand in solidarity with the Brussels Airport workers and our thoughts and prayers are with the families that lost loved ones in this senseless tragedy,” said Legesse Woldearegay, a customer-service agent for a Delta and American airlines contractor, in a statement. “We must all work together to make our airports as safe as they can possibly be.”

ISIS has claimed responsibility for the explosions that harmed people at Brussels’s Zaventem Airport and Maelbeek subway station.

Photo by Darrow Montgomery