Power tools and computer equipment worth £10,000 each were stolen during two raids in Sheffield.
Crooks stole power tools from a van parked at business premises on Clifton Street, Attercliffe, between 8pm on Tuesday and 10.15am on Wednesday.
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Computer equipment was stolen from a firm on Broad Oaks, Darnall, at around 10.30pm on Wednesday.
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Anyone with information should call South Yorkshire Police on 101.