Homeland security warns of potential attacks from Iranian backed militias or any other potential threat. Police been put on high alert due to such threats.
Anti-war protests organized by Act Now to Stop War and End Racism and Code Pink break out in cities across the United States following the killing of Qasem Soleimani. Demonstrations are also held in Germany, the United Kingdom, and Canada.
The Islamic Revolutionary Guard Corps says Soleimani and Muhandis were "martyred" in an attack by U.S. helicopters. Anonymous security sources cited by AFP say the attack killed at least eight people. The Iraqi military says three rockets hit the airport and two cars exploded.
The United States Department of Homeland Security plans to collect the social media information of all immigrants, including green card holders and naturalized citizens, beginning on October 18, 2017.
The U.S. Department of Homeland Security withdraws its order that Twitter unmask a user whose tweets are critical of President Donald Trump following the company's court filing to block the order on constitutional grounds.
The Department of Homeland Security says it has stopped enforcing the executive order per Judge James Robart's ruling in "State of Washington v. Trump". The State Department activates visas that had been previously suspended because of this order.
The United States government implements new restrictions to its visa waiver program which now requires, with limited exceptions, European, Japanese and Australian travelers to the United States who either have been visitors in the last five years to or are dual-citizens of Iran, Iraq, Syria and Sudan to obtain a travel visa. The new visa policies were mandated by legislation which was passed, in the aftermath of November 2015 Paris attacks, by Congress on the grounds of national security.