seeking to reach pressure. >> we heard about 440 pounds of lithium batteries on this flight, we know sometimes they can catch fire. is that a lot? >> it's probably a lot but not more than what the airplane can handle. plus it's so far removed. we haven't heard whether the compartment is forward or aft. if that happened it, would have been in the water much sooner and we would not have tend to have the pings we had for hours afterward. >> great information. mary, david and tom, great to have you as more information comes in and it is coming in by the minute this hour. >> all right, we want to take a look at some of our other top stories. >> the crisis in ukraine.