CCTV images of people police think may be able to help find missing RAF serviceman Corrie McKeague have been released as officers prepare to mark the anniversary of his disappearance.

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of a female in the entrance to Flex nightclub in Bury St Edmunds at about 2.23am (left) on 24 September 2016, and again that same night, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of a female in the entrance to Flex nightclub in Bury St Edmunds at about 2.23am (left) on 24 September 2016, and again that same night, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE

Officers are preparing to have a visible presence in Bury St Edmunds town centre this weekend, with a police pod in the town centre where Brentgovel Street meets Risbygate Street opposite The Grapes public house.

Corrie was reported as missing on the afternoon of Monday, September 26 after he failed to turn up for work at RAF Honington as planned. He had the weekend off and had headed into Bury St Edmunds for a night out with his friends and colleagues on Friday, September 23 2016.

The last confirmed sighting of Corrie was on Saturday, September 24 2016 at around 3.25am on Brentgovel Street in the town centre.

Police are also issuing CCTV stills of individuals that officers believe may have had some interaction with Corrie on the night he went missing.

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of a male in the entrance to Flex nightclub at around 2.23am in Bury St Edmunds on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of a male in the entrance to Flex nightclub at around 2.23am in Bury St Edmunds on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE

Officers would like to stress that the individuals depicted are people who are not key witnesses, are not being treated as suspects and have no direct link with Corrie, but may have information that may help understand what happened to him.

Detective Superintendent Katie Elliott said: 'Our thoughts are with Corrie's family and friends 12 months on from his disappearance.

'It is fair to say that a year on from him going missing, we never thought we would be in this position of not yet locating Corrie or establishing exactly what happened to him. We have always wanted to provide answers to Corrie's family about what happened to him.

'The search for Corrie remains an active investigation.

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of four men in the entrance to Flex nightclub in Bury St Edmunds at about 1.16am on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of four men in the entrance to Flex nightclub in Bury St Edmunds at about 1.16am on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE

'We would appeal directly to the public who were out in Bury St Edmunds exactly 12 months ago on the night he went missing and maybe a year on are once again back in the town centre this weekend.

'We would ask the public to call us if they have fresh information that may be of benefit to the investigation. We have deliberately placed the police pod on Brentgovel Street as we know this is the route Corrie took on that evening and hope our presence will jog someone's memory.

'As we said in July the fact that Corrie wasn't found at the landfill site during our extensive search remains bitterly disappointing to us. We had compelling information that directed us to this particular area of the landfill site.

'The investigation has been a detailed and methodical one to date and this will continue in the weeks ahead. The East Midlands Special Operations Unit has been commissioned to conduct a detailed review of the investigation to date.

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of a male walking away from Flex nightclub in Bury St Edmunds at about 1.25am on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of a male walking away from Flex nightclub in Bury St Edmunds at about 1.25am on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE

'The aim of the review is to assist in identifying whether there are any lines of inquiry that could lead to information that would locate Corrie. The review is progressing well and is due to be completed in the next few weeks.

'If it should reveal further lines of enquiry that will help police find Corrie the force will pursue them vigorously.'

Anyone with information is asked to contact the Major Investigation Team at Suffolk police on 01473 782019 or 101.

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of a man and a woman in Bury St Edmunds on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of a man and a woman in Bury St Edmunds on 24 September 2016, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE

Eastern Daily Press: Handout CCTV still issued by Suffolk Police of a man outside McDonald's at around 4.30am in Bury St Edmunds on 24 September 2016 (right) and again inside McDonald's at around 5.30am, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICEHandout CCTV still issued by Suffolk Police of a man outside McDonald's at around 4.30am in Bury St Edmunds on 24 September 2016 (right) and again inside McDonald's at around 5.30am, as detectives investigating the disappearance of RAF gunner Corrie McKeague have released CCTV images of people they want to speak to almost a year after he vanished. Picture: SUFFOLK POLICE