Retail jobs are at risk in Grimsby, Boston, Lincoln and Scunthorpe following the collapse of major retailers Maplin and Toys R Us.
The electronics chain have gone into administration, alongside toy retailer Toys R Us
Both companies are trading as usual for now, while there are efforts to find new owners.
They're among many high street chains struggling against a tide of mounting costs from wages and business rates.
That's at a time of tough trading amid a squeeze on incomes from inflation.
Shoppers are also reluctant to part with cash for electrical goods and toys at stores when they could often be secured cheaper online.
Toys R Us employ 3,200 people across the UK, while Maplin employ 2,500.