VIDEO : UK Police Find 'Significant' Evidence In Manchester Ariana Grande Concert Bombing

Home searches across Manchester and beyond have uncovered some important items in an investigation into the Ariana Grande concert bombing that left 22 people dead. Authorities told reporters the eight suspects detained so far are "significant" arrests, and that "initial searches of premises revealed items believed to be very important to the investigation. He did not elaborate, but the arrests around the northwestern English city include Ismail Abedi, who is the brother of 22-year-old Manchester Arena bomber Salman Abedi.