South Yorkshire Police Officers guard the perimeter of 1 Dunn St Daisy Spring Works after an armed police raid on Thursday evening (June 1 2017) which resulted in the arrest of one man in Sheffield. The raid in the Kelham Island area of Sheffield was part of a coordinated operation at addresses in Sheffield and Huddersfield. A statement from the North East Counter Terrorism Unit said the raids were not linked to the recent terror attack in Manchester and officers were were acting upon recently received intelligence.