ISIS and al Qaeda present a “resurgent” threat to the United Kingdom, the head of the country’s domestic security service warned in a rare public intervention on Tuesday, as he outlined a changing landscape of terrorism that is increasingly relying on children and on the internet.

Russian military intelligence is seeking to cause "mayhem" across Britain and Europe, the UK's domestic spy chief said on Tuesday, while a growing threat from al Qaeda and Islamic State was his greatest terrorism concern.

MI5 director Ken McCallum said his agents and police have tackled 20 Tehran-backed plots since 2022 and warned that Iran could expand its targets in the U.K. if Israel attacks in response to Iran’s missile barrage.

PA Yahoo Sports