Airbnb is offering free housing to travelers impacted by President Trump's immigration ban, the home-sharing service's U.S. CEO, Brian Chesky, tweeted on Sunday.

"Airbnb is providing free housing to refugees and anyone not allowed in the US. Stayed tuned for more, contact me if urgent need for housing," Chesky tweeted.

Airbnb is providing free housing to refugees and anyone not allowed in the US. Stayed tuned for more, contact me if urgent need for housing — Brian Chesky (@bchesky) January 29, 2017

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"Not allowing countries or refugees into America is not right, and we must stand with those who are affected," Chesky added 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."

Chesky is one of many Silicon Valley CEOs who have come out against the ban. On Saturday, Apple CEO Tim Cook condemned the executive order and Google wrote to its employees, offering help for any affected by the ban.

The executive order signed on Friday prohibits foreign nationals from seven predominantly Muslim countries — Syria, Iraq, Iran, Sudan, Somalia, Yemen and Libya — from entering the U.S.

The immigration restriction is expected to stay in place for a minimum of 90 days.

The Trump order also bars Syrian refugees from entering the U.S. indefinitely and halts all refugee resettlements for four months while officials aim to tighten the vetting process.