Landmarks tribute
Various civic buildings will be lit up pink from Friday, 2 August to Sunday, 4 August as part of a show of unity, peace and remembrance across the Liverpool City Region: https://liverpoolexpress.co.uk/liverpool-landmarks-to-light-up-pink-in-tribute-to-those-affected-by-southport-incident/
Books of Remembrance
There are physical books of remembrance at The Atkinson on Lord Street in Southport Town Centre (PR8 1DB) and Bootle Town Hall, Oriel Road (L20 7AE) for people wanting to pay tribute to Bebe, Elsie, Alice and all those affected.
More information including the opening hours of the buildings is available on the Sefton Council website and also an online Book of Rememberance.