A blast at Moscow's Domodedovo International Airport on Monday that killed at least 31 people was equivalent to 5 kilograms of TNT, a source said.
Another 130 people were injured in the blast that occurred at around 4:40 p.m. Moscow time in the international arrivals hall.
Reports say the suicide bomber was located among a crowd at the arrivals gate.
MOSCOW, January 24 (RIA Novosti)