Police are appealing for information following an incident of criminal damage at a cemetery in the Lone Moor Road area of Derry.
The incident occurred sometime between yesterday evening and this morning.
It's is believed that approximately 20 headstones and memorials have been damaged.
Police say this will obviously cause distress to a number of families and the local community.
They are appealing to anyone with any information about this to contact Strand Road Police Station on the non-emergency number 101.