staggering to see that, many hundreds laid out like that, jennifer gray thank you so much. >> thanks. we've been following developments out of pakistan, this just in the death toll has risen after a suicide bomb attack in that country. 54 people have been killed. more than 100 people injured, and those targeting the political convention in northwestern pakistan. cnn's sophia saifi is live in islamabad here. sophia, has anyone claimed responsibility for this attack? >> reporter: no, omar, there has been no claim of responsibility. this is in fact one of the deadliest attacks that have taken place in the country this year. and i have to understand that northwest pakistan, the province district where this took place borders afghanistan. so this area has seen a lot of militant sea in abbas that has been quite dormant in the past