NEW : 3 remain hospitalized , other injuries minor , Matthew Chance president says . ` All of them were destroyed in a special operation when they showed resistance . '' Officials say 2 people were killed and 2 wounded in the attack . The suspected militants blew themselves up , officials tell Chechens .
NEW : 3 remain hospitalized , other injuries minor , Matthew Chance president says . Officials say 2 people were killed and 2 wounded in the attack . The suspected militants blew themselves up , officials tell Chechens .