The memorial for comedian Eurydice Dixon has been vandalised on the day that thousands of people are preparing to attend a vigil in her honour.

JUST IN: @nathantemp7 is reporting that the floral tribute site for Eurydice Dixon at Princes Park has been vandalised overnight, with a 25-metre long, “lewd symbol” drawn with heavy white paint. Firefighters are on scene now attempting to remove it.

— 3AW Breakfast (@RossAndJohn) June 17, 2018

Police, on routine patrol overnight, discovered a lewd symbol painted by vandals onto grass next to the tribute site.

'SHOCKING' | The makeshift memorial to Eurydice Dixon has been vandalised https://t.co/TmxOt8j52N pic.twitter.com/QgbEhKXE40

— 3AW Melbourne (@3AW693) June 17, 2018

Firefighters have been called to remove it.