# MI5 chief warns rightwing extremists increasingly likely to plot terror attacks

The head of Britain's domestic intelligence service warned that rightwing extremists are increasingly likely to consider carrying out terrorist attacks. The assessment signals a growing share of MI5's caseload being devoted to far-right threats alongside Islamist plots. It matters because it shapes UK counterterrorism priorities and the official perception of risk to the public.

**Importance:** 4/5

## Sources

### World
- [The Guardian World](https://www.theguardian.com/uk-news/2026/oct/13/rightwing-extremists-increasingly-likely-to-consider-terrorist-attacks-mi5-chief-says) — Tue, 13 Oct 2026 12:00:14 GMT