Emergency services are at the scene of a chemical incident in Sheffield.
Fire crews were called to a Royal Mail sorting office this morning. Four fire engines are there as they investigate the discovery of a parcel suspected to contain hazardous substances.
A number of houses on Homestead Road have been evacuated as a precaution. Emergency teams are expected to be at the sorting office until this afternoon.
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Former Superintendant Roger Marshall has told the inquests - The police resources were completely inadequate... We were overwhelmed."