bombers. seven out of the achlth what went through your mind in terms of what happened here? >> we have seen maraud trim before such as in mumbai 28. on the stroots, hotel, similar ma manifested if paris. what is also interesting is that suicide bombers. i think it is illustrative of how shocking this whole attack is him. >> reporter: if i turn to my right. someone rolled a piano, right, a piano in and started playing. i can't hear him or her play anymore. but i did out of the corner of