The windows of both the Left Alliance and the Green Party district offices were blown up over the weekend on the west coast of Pori.
The Office of the Left Alliance seems to be targeted first. Both offices are located along South Park in the city center.
"Looks like the colors of vandalism ended when they got to our office," Director General of the Green Party District July Ojansuu told Yle.
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The windows of the city’s Left Alliance office were also blown up last November.
"It is not possible to know for sure, but language and typos suggest that the same factor could be involved again," said Raisa Ranta, President of the Pori Region of the Left Alliance.
The same parties targeted Oulu
The Left Alliance told Yle that an aggravated crime report has already been filed with the police, while according to the Greens’ party in Ojansuu, the party plans to report on Monday.
"This is a worrying phenomenon. The intention is to intimidate," Ojansuu said.
Similar vandalism was committed against the same parties in the city of Oulu in January.