U.K. Home Secretary Priti Patel ordered a review of police security for members of Parliament after Conservative lawmaker David Amess was fatally stabbed at a meeting in his constituency.
The attack revives questions about the safety of lawmakers meeting face-to-face with residents in their districts, usually with little security. A 25-year-old U.K. national was arrested on suspicion of murder, which authorities have declared as a terrorist incident.
"The early investigation has revealed a potential motivation linked to Islamist extremism,” Metropolitan Police said in a statement. "It is believed that he acted alone, and we are not seeking anyone else in connection with the incident at this time.”