cnn live at the scene with breaking details. >> >> reporter: holding a press conference, preliminary indication this was a suicide bombing. suicide bombing. there was speculation of that point yesterday. this the first official confirmation that is the derrek of the investigation. it was kyrgyzstan security authorities that identified the suspect. akbarzhon dzhalilov born in 1995, makes him 21 or 22 years old. he was boarding but was a russian citizen. that is the man responsible for the deadly bombing that killed 14. that might answer who but doesn't answer the motive, the how or why and doesn't say he was acting alone. remember, there was one more bomb found along a metro station same line. that was diffused. was there somebody else, a bigger group. all of that as russia has declared three state days of mourning after this attack. that's exactly what you can see