Detectives leading a criminal investigation into the Hillsborough disaster have appealed for 19 people seen in CCTV footage at the stadium to come forward.
New images showing the potential witnesses at the Leppings Lane end of the football ground in Sheffield have been released by Operation Resolve as part of its inquiry into the disaster and the events which led to the deaths of 96 Liverpool fans.
Operation Resolve is one of two criminal investigations ordered following the publication of the Hillsborough Independent Panel's report in 2012.
The investigating team has released footage and still images of 19 people they want to speak to who can be seen in the area of Gate C when it was opened at 2.52pm on 15 April 1989.
The footage includes computer-generated images of the Leppings Lane end of Hillsborough stadium as it would have looked 27 years ago, and specialists have used recognition techniques to find a number of different images of some of the potential witnesses.
Detective Chief Superintendent Neil Malkin, the senior investigating officer, said he hoped the people identified in the footage would be able to help.
Speaking outside Hillsborough, he said: "The appeal today is for 19 individuals seen outside Gate C at 2.52pm on the 15 April 1989.
"These people were in close proximity to the gate at the time that it opened and I would like to hear from these people because they might be able to provide me with information that could assist me in my inquiry."
Anyone who recognises any of the people identified in the CCTV footage is asked to contact Operation Resolve through the website www.operationresolve.co.uk where all the images are available to view.
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