The United States is spearheading an international effort to address what it identifies as a growing transnational threat from violent far-left extremist groups. Secretary of State Marco Rubio is hosting officials from approximately 65 countries for discussions focused on enhancing intelligence sharing, law enforcement cooperation, and other collaborative measures.
The ministerial meeting is the result of an eight-month diplomatic initiative by the Trump administration to persuade foreign governments that violent far-left extremist networks pose a significant cross-border danger requiring coordinated action. Officials stated that this effort is narrowly focused on criminal and terrorist violence, not political ideologies.
"We haven't waded into trying to disambiguate people's beliefs and ideologies," a senior State Department official told reporters. "In America, you can believe anything you want. The minute that you cross the legal threshold, that changes."
Administration officials argue that for the past two decades, global counterterrorism efforts have largely concentrated on jihadist terrorism, leading to an underestimation of politically motivated violence from far-left extremist networks operating internationally. "This has been a blind spot for a lot of our partners, frankly. They have not seen these trends ... since the 1970s," the official added, noting that partners have reported a rise in assassinations and assassination plots.
Recent events in Europe have been cited as evidence of the threat. On July 1, coordinated firebombings targeted the homes of members of Greece's governing New Democracy party in Thessaloniki, resulting in the death of one individual and injuries to four others. Greek authorities arrested three suspects in connection with the attacks. In January, an arson attack on a power transmission facility in Berlin, Germany, disrupted electricity for tens of thousands of residents and businesses, with German federal prosecutors investigating potential links to a terrorist organization.
This summit builds on previous actions taken by the administration since late 2025, including the designation of four foreign far-left organizations as Foreign Terrorist Organizations and Specially Designated Global Terrorists. The administration also established a reward of up to $10 million for information leading to the disruption of their financial networks. The designated groups—Antifa Ost, the Informal Anarchist Federation/International Revolutionary Front (FAI/FRI), Armed Proletarian Justice, and Revolutionary Class Self-Defense—are reported to operate in Germany, Italy, and Greece, and are accused of coordinating violent attacks across national borders.
Secretary Rubio is expected to emphasize the cross-border nature of these groups, their shared tactics, coordinated attacks, and exploitation of international conflicts for recruitment. Treasury Secretary Scott Bessent and White House Deputy Chief of Staff Stephen Miller are also slated to address the attendees. Discussions will cover the global threat landscape, terrorist financing, intelligence sharing, and the protection of critical infrastructure.
Officials refuted claims of reluctance from foreign partners, stating that several governments proactively sought to join the initiative after observing similar trends domestically. "We've had countries who have reached out to us that want to be part of this," the senior State Department official said.