Terror threat

'We are in a generational fight': Homeland Security says homegrown terror threat is the 'most serious' it has been since 9/11

Homegrown terrorists currently pose one of the most serious threats to the US since the September 11 attacks, experts have warned.

The Department of Homeland Security issued an updated bulletin through the National Terrorism Advisory System late on Monday night.

'We face one of the most serious terror threat environments since the 9/11 attacks as foreign terrorist organizations continue to exploit the Internet to inspire, enable, or direct individuals already here in the homeland to commit terrorist acts,' it states.

'Terrorist groups are urging recruits to adopt easy-to-use tools to target public places and events.