About 170 properties are affected in Wulfric Road, Manor, and a further 20 in Filey Street, Broomhall. '‹READ MORE: Sheffield Centertainment murder inquiry: everything we know so far Staff at the Northern Powergrid are on site attempting to fix the problem which they said should be resolved by about 2pm today.  '‹READ MORE: Tributes paid to '˜lovely lad' fatally stabbed outside Sheffeld cinema  Â