Unidentified attackers fired a grenade with an RPG-7 grenade launcher at the door of an interior troops battalion deputy commander\'s apartment in Grozny. \"The deputy commander of the \"North\" interior troops battalion was not in at that moment, but two of his acquaintances were wounded. They were hospitalized,\" sources in Chechen law enforcement services told Interfax-AVN by telephone on Monday. In other developments, an earlier detained suspected militant has confessed to police that he participated in an operation to blast an interior troops armored personnel carrier on April 15 2006, which left two interior troops dead and ten wounded, the source said. (Interfax-AVN)