The detainee is Ali Harbi Ali, a Briton of Somali origin, arrested under the Terrorism Act of 2000. Deputy David Amess was stabbed to death.
The British police identified as Ali Harbi Ali the 25-year-old man who on Friday murdered Conservative MP David Amess when he was serving his constituents in a church in Leigh-on-Sea, in eastern England, reported this Sunday (17.10.2021 ) the BBC.

Fuente consultada / DW