The first was a stun grenade that was detonated to draw attention before the second blast went off , he said . Attack was conducted by Interior , '' Interior minister says . 13 explosions , minutes apart , hit residential area in ISTANBUL 's largest city June 15 . Those arrested were responsible for earlier bombing Sunday , says minister .
Attack was conducted by Interior , '' Interior minister says . 13 explosions , minutes apart , hit residential area in ISTANBUL 's largest city June 15 . Those arrested were responsible for earlier bombing Sunday , says minister .