north of cairo. 21 people killed, this is the latest toll coming to us from state media. you're seeing pictures and him images coming to us of the aftermath of what is believed to be a bomb attack, a bomb that went off inside the church. cnn's ben wedeman is at the turkish/syrian border. ben, what are authorities saying happened here, what group might be responsible? >> reporter: now we're hearing from egyptian state television that the death toll has risen to 21, more than 50 wounded in this attack on the st. georgeta whic kilometers north of cairo. of course it's palm sunday, so the church at the time was packed with worshippers. and we've seen there was a live feed on an arab television channel from the church during