Solicitors representing the Hillsborough Justice Campaign are to write to the IPCC to make a formal complaint over claims the police spied on families of the 96.
The Home Secretary Theresa May said the IPCC hadn't received a complaint over allegations families were put under police surveillance after the Hillsborough disaster.
Broudie, Jackson and Canter Solicitors in Liverpool who represented the late Anne Williams said the claims must be fully investigated.
More top news
A state-of-the-art birth centre at the Royal Preston Hospital will officially be opened later by Baroness Julia Cumberlege.
Children are risking their lives by playing "chicken" on motorways during the school summer holidays, police say.
It might feel like something happening down south, but the Calais migrant crisis is estimated to be costing North West businesses millions.