Two grenades were thrown at the building of the local administration in Serzhen-Yurt, Chechnya's Shali district, reported the headquarters of United Federal Troops on Monday. Luckily, no one was hurt. The assailants were not identified. Also in the past 24 hours, militants attacked police units stationed in Argun and in the village of Novye Atagi, Shali district. Response fire was opened on every occasion. None of the police officers was hurt.