British Fleet Air Arm attacked the harbor of Augusta, Italy according to the War Cabinet Weekly Résumé No. 45of the Naval, Military and Air Situation 4-12 July 1940

An item reported that in the afternoon of 10 July the British Fleet Air Arm attacked the harbor of Augusta, Italy but sighted none ships. In the vicinity however were a destroyer and a hulk with success destroyed.

Source

National Archive UK. CAB-66-9-42.