The head of the fsb skuccessor f the kgb. He said to the president we found a homemade explosive device that was on board the plane with the equivalent of one kilogram of tnt. He said that would account for the fuselage of the jetliner would spread across such a wide area. Investigators have been covering an area of 20 square miles to pick up the pieces of the fuselage. The fsb director said that was a bomb with one kilogram of tnt. Vladimir putin vowing revenge. Saying we will search for them everywhere no matter where they are hiding. We will find them in any place on the planet and we will punish them. This is the first time russia acknowledged or confirmed that the bomb killed all 224 people on board. Now the russian president is vowing to strike back. And matthew, how will that translate in syria as far as russias aerial bombardment campaign is concerned . Reporter well, doubtlessly it will lead to intensification of bombardment. It may lead to furth further escalation of military