Yesterday some people broke the windows of Legal State party pre-election headquarter in Vanadzor city and damaged the posters inside the headquarter. The central campaign office of presidential candidate Arthur Baghdasaryan informs that it is political vandalism and calls on the police to discover the crime. As the public prosecutor’s office informs, the prosecutor’s office of Lori region has instituted legal proceedings. The investigation department of Lori region is in charge of the proceedings.