The Met Police has withdrawn officers from watching for Julian Assange outside the Ecuadorian Embassy, saying the 24-hour presence of guards was "no longer proportionate".
The force has maintained a permanent, 24/7 police presence outside the building in London since Assange entered it more than three years ago to avoid extradition to Sweden over sex allegations.
The force revealed in June that it has cost more than £11 million to guard the embassy since Mr Assange sought asylum there in 2012.
ITV News Correspondent Juliet Bremner reports:
The Met added that it will deploy a number of overt and covert tactics to arrest him but a "significant amount of time has passed since Julian Assange entered the Embassy, and despite the efforts of many people there is no imminent prospect of a diplomatic or legal resolution to this issue".