Law machinery officials discovered several grenade cup discharges "Muha" in Tusholi settlement. Weapon was prepared for action and directed at federal highway "Caucasus". Investigation group of regional Ministry of Interior Affairs, Federal Security Service and Office of Prosecutor work at place. Early in the morning a bomb exploded near Tusholi settlement. Fortunately, there were no victims. After arrival to place of incident, officers of the criminal investigation department discovered several more ammunition, prepared for action. At present moment sappers try to neutralize ammunition, said representative of Ministry of Interior Affairs. In case of failure, grenade cup discharges will be destroyed at place by undermining. "Investigative authorities search for persons, who prepared the terrorist action", - added the source.