Police are appealing for information leading to the whereabouts of a vulnerable missing 93-year-old from Kensal Rise.

David Lewin, who is blind, suffers from dementia and walks with the aid of a walking stick, was last seen at his home in Chamberlayne Road at 4pm yesterday.

He is believed to have his freedom pass on him when he left and may have boarded a train at Mill Hill Broadway Station.

Officers have carried out an extensive search of the area and are urging the public to look out for Mr Lewin.

There is great concern for his welfare due to his age and physical condition.

Anyone with information is asked to call officers on 101 and ask for Brent grip and pace unit