Thames Valley Police is appealing for witnesses after a robbery on Monday.
At 7.55pm the victim, a 21-year-old man, entered the communal front door of a property in Conniburrow Boulevard, Conniburrow, when he saw a man entering via the rear communal door.
As soon as the man entered the building he demanded the victim’s belongings and threatened to stab him. No knife was seen but the victim was extremely frightened and handed over £45.
The offender is black, 5ft 10ins and of medium build. He was clean shaven with very dark eyes. He was wearing a black pullover hooded top, with a white Nike tick logo on the front, and grey tracksuit bottoms.
Thames Valley Police would like to speak to anyone who witnessed the incident or who has any information about the offender.
Anyone with any information should contact Det Con Wendy Cissell via the 24-hour Thames Valley Police Enquiry Line on 101.