CNBC's Arjun Kharpal reports that home-sharing service Airbnb will offer free housing to travelers and detainees that are impacted by the Trump administration's sudden travel restrictions.

The announcement, which the company's U.S. CEO Brian Chesky posted to Twitter on Sunday, was one of many made by Silicon Valley firms that are joining together to aid visa holders and citizens of seven Muslim-majority countries impacted by the travel ban. Airbnb appeared to be the first to offer free services.

"Not allowing countries or refugees into America is not right, and we must stand with those who are affected," he said in a statement. "Airbnb is providing free housing to refugees and anyone else who needs it in the event they are denied the ability to board a US-bound flight and are not in your city/country of residence. We have 3 million homes, so we can definitely find people a place to stay," the CEO added.

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