Britain is facing a "staggering rise" in assassination attempts on U.K. soil by Russia and Iran, says MI5 chief McCallum

Ken McCallum, Director General of MI5, delivers the annual Director General's speech at Counter Terrorism Operations Centre in west London, Tuesday Oct. 8, 2024. (Yui Mok/PA via AP)

LONDON - Britain is facing a "staggering rise" in assassination attempts on U.K. soil by Russia and Iran, as the hostile states recruit criminals to "do their dirty work" for…