The Metropolitan Police is looking for a man who believes that he represents a risk to the public.
Vasile Caceban, 36, was reduced from a mental health center in northwest London around 10:30 BST Wednesday. It is described as white, 5 feet 4 inches and of average construction with brown hair.
The public members should not approach him, but they must call 999.
Images released by With Show Mr Caceban in the morning that disappeared, biting a Top with purple camouflage hood and gray tracksuit funds, which could have changed.
It is believed that it has bought a large black backpack and a new clothes, which is believed to be a gray tracksuit top and a red shirt.
The detectives said that it is likely to be in the northwest of London, particularly Brent, but could have traveled to Hyde Park and return again, using the rail network.
Det SPT Andrew Brien said that extensive patrols were made in the area where Mr. Copteban was believed to be, but the police have requested help to keep the public safe.
“It is possible that Vasile sleeps harsh or camping in the Kilburn or nearby area. Please check any shed or garden and keep your eyes open if you walk in the parks and open spaces.
“It is important that we return to the installation where it is being treated.”
