i'd like to welcome our viewers in the united states and around the world. you're watching "cnn newsroom." i'm john vause. >> and i'm natalie allen. the headlines this hour, there was celebration in gaza sunday as the military wing of hamas announced the capture of an israeli soldier. israel's ambassador to the u.n. has denied that claim. but the military said a short time ago it can neither confirm nor deny that report. >> and the hamas claim came on the deadliest day yet in this round of violence. palestinians report 87 people killed on sunday at least. 501 are dead over the past two weeks. israel reports 13 soldiers killed sunday, 18 in total, plus two civilians who were killed by hamas rocket fire on israel. the ukrainian cabinet says