Police investigating reports that a device was left at a Derry school have conducted a number of searches.
The search operation took place in the Hawkin Street area of the city.
The PSNI said it follow an anonymous report in the early hours of this morning (Tuesday).
Chief Inspector Clive Beatty said: "Officers have conducted searches and checks both in the building and the surrounding area."
He added: "Nothing untoward has been found and, at this stage, we believe this to be a hoax.
"I would ask, however, that members of the public living in or travelling through the area, remain vigilant and contact police immediately on 101 or 999 if they see anything suspicious."