TORONTO ( Reuters ) - A homemade bomb set off Conflict.Attack.DetonateExplode last week by a Canadian man who was apparently inspired by Islamic State , failed to fully detonate Conflict.Attack.DetonateExplode , a senior police official told the National Post newspaper on Saturday .

The man who the authorities say Contact.Contact.Unspecified set off Conflict.Attack.DetonateExplode powerful bombs in Manhattan and on the Jersey Shore over the weekend planned the attacks for months , conducted a dry run just days before unleashing his assault and took inspiration from “ Brother Osama bin Laden ” and other international terrorists , according to a criminal complaint filed in federal court on Tuesday .

A bomb that injured Life.Injure.Unspecified 29 people on Saturday in the Chelsea neighborhood of Manhattan , and another that failed to detonate Conflict.Attack.DetonateExplode , were filled with shrapnel and made ArtifactExistence.ManufactureAssemble.Unspecified with pressure cookers , flip phones and Christmas lights to set off Conflict.Attack.DetonateExplode a powerful explosive compound , law enforcement officials said Contact.Contact.Unspecified on Sunday .

Accused New York bomber Ahmad Khan Rahimi pleaded not guilty on Thursday to federal charges that he set off an explosive device charges Justice.ChargeIndict.Unspecified September on set off Conflict.Attack.DetonateExplode city street , injuring 30 people .