Policemen searched rooftops in Dingli Street, Sliema, yesterday evening following reports that unknown people were trying to force an entry.
However no one was found, a police spokesman said.
Neighbours reported they had seen two young men acting suspiciously, but they ran off when they hard the police sirens.
The police have increased patrols in Sliema following a spate of burglaries which has seen residents increasingly concerned, and on guard.