Some 90 police pocket notebooks that could provide vital information about the Hillsborough disaster have been recovered by investigators.
Claire and Amy McGlone have returned to Sheffield stadium for the first time since they lost their father Alan in the Hillsborough disaster.
The Hillsborough campaigner Anne Williams has died. She had been diagnosed last year with terminal cancer.
The Coroner has decided that the Hillsborough inquests will be held in Warrington.
The Independent Police Complaints Commission says it has received over 500 responses in the first 48 hours of an appeal for witnesses into the aftermath of the Hillsborough disaster.
Despite the positive response, the IPCC has urged more people to come forward to help with their investigation.
Ninety-six Liverpool fans were killed at Hillsborough during an FA Cup semi-final between Liverpool and Nottingham Forest on April 15, 1989.
The IPCC's criminal investigation is examining police actions following the stadium disaster.
Director of Public Prosecutions Keir Starmer QC has told ITV News he will meet with the families of Hillsborough victims on Friday after they voiced concerns over the slow progress of the inquiry into the 1989 disaster.
He added that he was "well aware" of the families concerns.
The police watchdog is appealing for witnesses as part of its investigation into how West Midlands Police conducted its inquiries into the Hillsborough disaster.
Deborah Glass, deputy chair of the Independent Police Complaints Commission, said: "We have already had a number of people contact us with concerns that their statements were amended and we have no doubt there are others who have not contacted us.
"We want to be able to present as full as possible a picture of witness evidence both for the inquests and the criminal investigations."
To date 90 pocket notebooks have been handed into the police watchdog by retired and serving police officers from South Yorkshire Police that contained notes on the day of the Hillsborough disaster, the IPCC has said.
In a statement the police watchdog added: "The books will be recovered by IPCC investigators this week to be analysed to determine whether they contain specific entries relating to Hillsborough."
The police watchdog has revealed that statements of 74 more officers at the Hillsborough stadium disaster "may have been amended."
The Independent Police Complaints Commission made the revelation as it provided an update on the setting up of its inquiry into the tragedy:
– Deborah Glass, Independent Police Complaints Commission Deputy Chair
From our work on this we have recovered West Midlands policy books that have never been seen by previous inquiries.
We have identified that the statements of 74 more officers may have been amended.
We have also uncovered material which would suggest that fans’ witness accounts may have been altered.
We have recovered pocket notebooks from officers who were on duty on the day of the match.
We are in the process of interviewing all the surviving officers whose accounts were amended.
Money found in the aftermath of the Hillsborough disaster was kept by police, the Liverpool Echo has reported.
The paper says documents released by the Hillsborough Independent Panel show £14.53 was recovered from the disaster and paid into South Yorkshire Police's finance department.
Sheila Coleman, from the Hillsborough Justice Campaign, said: “Although we're only talking about a small amount of money, the amount is irrelevant, it's the principle.
“South Yorkshire Police may argue they were following standard procedure, but morally the thing to do was to give that money to the disaster fund."
Police claimed in an infamous Sun newspaper article after the 1989 disaster that Liverpool fans had stolen from dead victims.
Comments about the Hillsborough disaster made by a chief constable in an email will be investigated by another police force, it has been confirmed.
South Yorkshire PCC Shaun Wright said he has received a complaint regarding the content of emails sent by South Yorkshire Police chief David Crompton.
Mr Crompton sent an message to his senior staff last year which appeared to suggest a campaign group representing families of those who died was not telling the full truth about the 1989 tragedy.
The email read: "One thing is certain - the Hillsborough Campaign for Justice will be doing their version ... in fact their version of certain events has become 'the truth' even though it isn't!!
"I just have the feeling that the media 'machine' favours the families and not us, so we need to be a bit more innovative in our response to have a fighting chance otherwise we will just be roadkill."
Mr Wright said the chief constable of Cambridgeshire, Simon Parr , will now investigate. Mr Crompton said today he had thought the matter was "completely closed" after he apologised earlier this year.
The PCC said today: "I have today recorded a complaint against the chief constable of South Yorkshire Police, David Crompton, in relation to internal emails concerning the Hillsborough tragedy and its aftermath.
"The request has been submitted by a firm of solicitors in Liverpool acting on behalf of a number of individuals affected by the event. This is a formal complaint, which must be dealt with in accordance with statutory procedures."