Solitary wasp (?) with prey

Solitary wasp (?) with prey

Observation - Solitary wasp (?) with prey - UK and Ireland. Description: I was just unlocking my back door when a wasp-like insect landed on the wall above me carrying what appeared to be a lifeless fly. It seemed to struggle for grip with its prey, readjusting its position as I managed to hold my camera over my head and catch

I was just unlocking my back door when a wasp-like insect landed on the wall above me carrying what appeared to be a lifeless fly. It seemed to struggle for grip with its prey, readjusting its position as I managed to hold my camera over my head and catch a few frames. I don't even know whether this IS a wasp but it looks like one.... Slender, black and yellow striped insect, with a slim waist just about discernible under the wings. After a few moments it seemed to lose its hold and they both tumbled down the wall out of sight...