According to the Swiss People's Party, unknown persons painted slogans at the entrances homes of its Zurich politicians. Those affected have reportedly filed a criminal complaint. Zurich city police confirmed at least one such case on Friday at the request of the Keystone-SDA news agency. It was not yet possible to provide any details. +Get the most important news from Switzerland in your inbox The Swiss People's Party's Zurich cantonal and city branches had previously publicised the acts of vandalism in a joint communiqué. So far, they are aware of paint attacks on the residences of cantonal parliamentarian Lorenz Habicher and the president of the party's Kreis 3 branch, Stefan Deul. The acts of vandalism were committed on Christmas Day. In the statement, the party blamed left-wing extremists for the offences and claimed that the aim was to intimidate party officials and members. It called on the police to crack down on vandals and for the city government to condemn the offences.