The bomb has been found by cleaning employees who had been cleaning a drain in front of the mosque.
The police said that a claymore mine had been used by the LTTE cadres to attack the army troopes during the war time.
The police said that the Mannar magistrate’s court has been informed about the claymore and measures have been taken to dispose it on a court order.
Mannar police are conducting further investigations.
(Madawa Kulasuriya - Vavuniya)