Police are investigating an incident of vandalism in Ramsey last month.
Officers say it happened sometime between Friday, August 17, and Saturday, August 18, on South Ramsey pier on the breakwater.
Red paint has been used to write a number word and markings on the walls.
The Constabulary launched their plea on social media at the weekend - anyone with information is being asked to contact Ramsey Police Station.
One weekend sailing cancelled, others at risk because of weather
The Steam Packet says it's cancelled its Saturday afternoon sailing because of bad weather.
Politician questions risk of Easter meningitis outbreak
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Firefighters tackle flat fire down South
The fire and rescue service dealt with a flat fire in Castletown earlier this afternoon
Weather warning for storm Dave this weekend
Ronaldsway Met office has issued a yellow weather warning for severe gales as storm Dave will hit the Island.
Roads to close for music festival this weekend
Roads in Ramsey will be closed for a day this weekend for a Manx music and dance festival.
How long do mental health patients stay in Manannan Court?
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Could you take over this former restaurant?
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Framework of new Sea Services Agreement ready, says minister
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