Wreaths which had been placed on a war memorial have been thrown into the river in Kilkeel.
Others were damaged in the incident which happened at Bridge Street.
Inspector John Allen says police received a report this morning (Sunday), at around 10:30am.
“I am appealing to anyone who knows anything about this incident, or who has been in the area in recent days and noticed any suspicious activity, to contact police in Ardmore on the non emergency number 101,” he says.
