The senior detective leading the investigation into the murder of journalist Lyra McKee in Derry last week has said that more than 140 people have contacted police with information since her "senseless death".

Lyra, 29, died after she was shot in the Creggan area of the city on Thursday, 18 April.

Detective Superintendent Jason Murphy said that members of the public have been making contact via the Major Incident Public Portal (MIPP).

Det Supt Murphy said the investigation to find her killer is "continuing at a rapid pace".

"We've had a massive public positive response to the investigation since Thursday evening. This was an attack on the community. Lyra, tragically, was a random victim and I need the public to continue to support us," he said, in a fresh appeal for information.

"Many witnesses have contacted us to give us information that has been provided to them. More than 140 people have contacted us via our MIPP with messages, including mobile phone footage. House-to house enquiries are continuing, and all of that is to be welcomed.

"My challenge is, how do I convert that community intelligence and information into raw evidence that allows me bring offenders to justice.

"My appeal today to witnesses who haven't come forward to us is simple. Please, come forward and have a conversation with me. Come and talk to me. I want to reassure people that you don't have to commit to anything today. I just need to speak to people to understand what they know. We can then look at how we capture that information in the best way possible to protect those witnesses and enable me to bring the gunman who killed Lyra McKee to justice," said the detective.

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"We have sought as an investigation team since Thursday to be extremely sensitive in terms of how we are conducting this investigation for the community of Creggan. I know there are people in the community who have information but feel they can't come forward to us, who feel scared. We have sought prosecutorial advice from the Public Prosecution Service, and I want to reassure you that we will work with you sensitively and give you all the support we can," he added.

The detective appealed for anyone with information to contact the incident room on 101 or anonymously call Crimestoppers on 0800 555 111.

"I am continuing to appeal for those people who were in Fanad Drive and Central Drive on Thursday night and who have mobile phone footage to please come and speak with my detectives and provide us with your mobile phone footage. We do not need to hold on to your phone, we have necessary equipment that will allow us to download the footage quickly. Alternatively, you can use the Major Incident Public Portal at to upload footage or to tell us what they know," he said.