Ninety-six seats are being left empty at Mansfield's One Call Stadium in memory of those who lost their lives in the Hillsborough disaster in 1989.
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The fire service found a fire in a first-floor bedroom, and managed to put it out before it could spread to other parts of the house.
Sunshine will break through the cloud today, but showers are on the way tomorrow.
Celebrations to mark the opening are underway after the two-and-a-half-year renovation.