The news agency knows the possible cause of the emergency landing from______.

A Russian Aeroflot flight from New York to Moscow has made an emergency landing in Iceland after a bomb threat.(26)A news agency quoted air traffic controllers in Moscow as saying an anonymous call had been received warning a bomb was on board the plane. The bomb threat was made to law enforcement officials in the U. S. Aeroflot spokeswoman Irina Dannenberg said the pilot took me decision to land the plane and it landed safely. The plane is now being investigated.(27)The anonymous caller warned that there were five suitcases on board containing explosives, which would detonate once the plane reached Moscow. Another plane in Russia’s southern Voronezh region was also searched after an anonymous threat, but no explosives were found.