Warsaw police have detained a 33-year-old man suspected of throwing rocks at the local Tax Office building. The incident occurred the previous evening on Warsaw’s Praga Północ district. Authorities allege the man stood on the sidewalk with a bag full of stones and hurled them at the building. Several windows were damaged as a result of the attack. The suspect is currently in custody, and an investigation is underway to determine the motive behind the act of vandalism. No injuries were reported.