Masked robbers fled empty-handed after threatening a shopkeeper at knifepoint.
The pair walked into Pinna Store, on Low Lane in Horsforth, at about 8.45pm and demanded money from the 56-year-old woman.
Police said she refused and the two men fled.
They were both white and wore hooded jackets.. One was 5ft 8ins tall and the other was 5ft 6ins tall.
Anyone with information should call police on 101.