poor little isis-inspired chain migration snowflake terrorist even walk christmas poster without trigger long mayor deblasio start dialogue remove trigger sign christmas nyc offend non-christians taxi driver behind fail terror attack new york city tell investigators mean detonate homemade pipe bomb busy subway station see wall festoon christmas posters revenge violence muslims world.while initial report suggest crude pipe bomb make pipe 9-volt battery match head sugar christmas tree light screw detonate prematurely suspect akayed ullah 27 insist set bomb deliberately.ullah arrest take question bomb partially detonate tell police walk underground tunnel 7.20am port authority station towards time square saw christmas-themed posters wall remind isis call last month militants lone wolves attack holiday market acknowledge purposely set senior law enforcement official tell new york post.the bangladeshi immigrant add specifically inspire isis al-qaeda .authorities say explosive fully detonate busy midtown manhattan subway station would injuries doubtless loss life.the attack come days ullah brooklyn neighbor say hear huge row come home report yell scream past two nights.ullah allow stop pray multiple time interrogation take bellevue hospital treat serious burn lacerations abdomen hand expect survive hospital brooklyn resident tell investigators inspire carry attack recent flare up israelis palestinians gaza strip.monday attack first terror attack u.s. soil since proclamation one many violent demonstrations across world since controversial move announce last wednesday also second time two months new york city target terrorist attack.president trump say statement lax immigration policies blame attack urge congress enact legislative reform protect american people .authorities say ullah take train subway port authority bus terminal stop monday morning start walk east towards time square via underground terminal pipe bomb hide underneath clothe prematurely explode law enforcement officials believe passageway intend target since low-tech bomb attach ullah velcro zip tie explode fully.the chemical explosive appear ignite pipe burst screw find scene indicate may fill pipe intend use shrapnel.in end ullah one seriously injure explosive three others report hospitals ring ears headaches daily mail authorities allow nyc chain migration terrorist stop interrogation several time pray admit trigger christmas posters