Amess, 69, was stabbed at a constituency ceremony in Leigh-on-Sea on Friday.
In Britain police have declared a Conservative MP David Amessin the stabbing that resulted in death was a terrorist act.
Greater London police are talking about it in the bulletin.
According to police, a possible motive associated with Islamist extremism has emerged in the early stages of the degrees. The investigation is being led by the Counter-Terrorism Unit.
According to media reports, 69-year-old Amess was meeting people in her own constituency in Leigh-on-Sea on Friday when the stabbing took place.
According to police, the 25-year-old man has been arrested on suspicion of murder and no one else is being sought in connection with the incident.
.
