A grenade has exploded in the southern Russian city of Vladikavkaz, killing two people in the second deadly blast there in three days.
A spokesman said the blast occurred inside a house on Thursday morning in the city, 60 miles west of rebel Chechnya.
An explosion on Tuesday outside a bank in Vladikavkaz, regional capital of North Ossetia region, also killed two people, including a Russian serviceman.
