Updated 5.30 p.m.:
Vandals who targeted San Anton Gardens in Attard overnight caused damage of some €3,500, the Resources Ministry said.
It condemned the vandalism and called on anyone having any information to inform the police.
The vandals damaged commemorative plaques, low stone walls, old stone pots and other stonework.
Repair works have started.
The police are investigating.
The Nationalist Party and the Labour Party condemned the vandalism.