Thames Valley Police is appealing for witnesses after an attempted robbery in Bletchley on Wednesday.
At around 4.45pm, two men got into a sheltered residential accommodation block by forcing the side communal door.
A 60-year-old man and 67-year old woman were disturbed by sounds from outside their front doors and on checking found the men in the communal stairway.
The men were challenged and left after being told the police had been called.
The first man is white, medium build, 5ft 6ins and in his early thirties. He has blue eyes, full lips, and was clean shaven. He was wearing a black baseball style hat with ear flaps and black jeans and spoke with an Irish accent.
The second man is black, medium build, 5ft 8ins and in his late twenties to early thirties. He was wearing a black baseball style hat with ear flaps and a black jacket.
The police would like to hear from anyone who noticed the offenders acting suspiciously in this area.
Any witnesses can call police on 101.