UK MI6 chief Blaise Metreweli warns of 'grey zone' warfare in first speech

2025, December 17

United Kingdom

On Monday, Blaise Metreweli, the new head of the United Kingdom's Secret Intelligence Service (MI6), delivered her first public address in London. She warned that the UK is "operating in a space between peace and war" amid rising tensions with Russia.

Metreweli stated that the "front line is everywhere" regarding threats to the nation. According to Reuters, she characterized the threat from Russia as "aggressive." She accused Moscow of utilizing tactics ranging from "State-sponsored arson and sabotage" to "Drones buzzing airports and bases" in an effort to "bully, fearmonger and manipulate."

The intelligence chief also spoke on the ongoing conflict in Ukraine. As reported by The Telegraph, Metreweli said Russian President Vladimir Putin is "dragging out negotiations." She added that the Kremlin seeks to "subjugate Ukraine" rather than engage in genuine peace efforts. The BBC noted that the speech highlighted a "multi-faceted threat posed by Russia."

Metreweli said officers must combine traditional tradecraft with growing proficiency in AI-driven and digital technologies, noting that technological mastery will "infuse everything we do."

According to Reuters reporting, Moscow frequently disputes claims it is involved in drone activity or cyberattacks in Western countries and likewise rejects the idea it plans to attack NATO. Reuters also reported that NATO countries have supplied Ukraine with military and intelligence assistance since Russia's 2022 invasion.