By Ewan Gleadow A woman has been found dead in a block of flats where a fire raged through in the early hours of yesterday morning. The woman in her 40s was pronounced dead at the scene inside the five storey Nisbet House in Hackney. Police investigations into the blaze are now underway, with the Met saying the cause of the fire is not currently believed to be suspicious. The fire service confirmed the tragic news after its teams attended the blaze for over an hour. Six fire engines and 30 firefighters battled the fire from 8.20am to 9.40am on Saturday, January 6, with a spokesperson since con…