As Russia mourns concert hall attack, some families wonder if loved ones are alive

Family and friends of those still missing after an attack that killed more than 130 people at a suburban Moscow concert hall waited for news of their loved ones as Russia observed a day of national mourning on Sunday.

As Russia mourns concert hall attack, some families wonder if loved ones are alive
A woman places flowers at a makeshift memorial.

Family and friends of those still missing after an attack that killed more than 130 people at a suburban Moscow concert hall waited for news of their loved ones as Russia observed a day of national mourning on Sunday.