Eilidh had been missing since the explosion at the Ariana Grande concert on Monday night.
Detectives Quiz Locals, One Week On From Fire
Police investigating the Milngavie fire murder have been back at the scene, exactly one week on.
Officers have been stopping joggers, motorists and walkers around Achray Place and Craigton Road this morning, as they try to find vital witnesses.
23 year old Cameron Logan was killed and his girlfriend is seriously ill in hospital.
Cameron's parents escaped the blaze on New Year's Day, and the family's dog died.
Police have issued various witness appeals and said a number of people have come forward with information, including individuals who believe they may be the dog walkers sought in earlier appeals.
But officers said they still want to speak to anyone else who may have information.
In particular, they are seeking a man in Army combat clothing reported to have been walking on the West Highland Way on the morning of the fire.
It is believed he routinely walks from Maryhill to the West Highland Way at Craigton Road, often passing through the Milngavie area, and officers believe he may have information which could help the ongoing probe.
Police, who were called to the fire at 7.25am on January 1, are treating the case as one of murder and attempted murder.
The fire also resulted in Mr Logan's parents being treated for smoke inhalation and caused the death of the family dog.
Detectives say the fire had been set deliberately, resulting in the death of psychology student Mr Logan.
Since then, officers have also been carrying out door-to-door inquires, checking CCTV footage and interviewing people from the party the couple attended.
Officers were seen searching woodland and waterways near the semi-detached property on Friday.
Detective Chief Inspector Paul Livingstone, of the Major Investigation Teams at Govan, thanked those who have already come forward with information.
He said: "We continue to seek information on the dark-coloured car that reportedly had its engine running at the lay-by on Craigton Road and we would continue to ask anyone with information to come forward.''
Mr Livingstone said police are doing all they can to trace those responsible for the "despicable'' crime.
Detective Chief Inspector Paul Livingstone said on Sunday: "This morning's operation was very positive and officers managed to speak to 45 motorists as well as 10 pedestrians (four dog walkers, five walkers and one jogger) who were in Achray Place and the surrounding area.
"We will now assess any new information that could potentially assist with the investigation and help us catch the person responsible for this despicable crime.
"A number of potential witnesses have already come forward, including people who believe they may be the dog walkers mentioned in our previous appeals. However we still need to speak to anyone else who was in the area on New Year's morning.
"Somebody deliberately set this fire, killing a young man and seriously injuring a young woman, and that person will have had to make their way from the scene in the immediate aftermath.
"If you were in the area around the time of the fire and have not spoken to police, please come forward.
"I cannot stress how important it is that we speak to every single person who was in the area, even if you don't think you have any information, come forward and speak to us because even the smallest detail could make all the difference.
"We are still looking to trace a number of people who have either been captured on CCTV or reported to have been seen in the area on New Year's morning, including the man and the woman who were jogging together on Craigton road at around 8.10am.
"We are also still looking to speak to a man seen in the Craigton Wood area around the time of the fire walking a brown 'Pitbull' type dog as well as another man walking along Craigton Road onto the West Highland Way with two Springer Spaniels.
"There is no suggestion that any of these people seen in the area around the time of the incident are responsible for the fire, but they could be potential witnesses and it is absolutely vital that we speak to them all as part of our ongoing inquiries.
"I would like to take this opportunity to thank everyone who has come forward to assist with the investigation so far. The response from members of the public and the local community has been excellent and I would continue to urge anyone who was in the area around the time of the fire, or who has any information about who is responsible, to please get in touch.''
Anyone with information is asked to contact police via 101 or alternatively calling Crimestoppers on 0800 555 111 where details can be given anonymously.
Laura has since been found in hospital with serious injuries but there have been no updates on Eilidh.
Unison members and activists will invite Health Secretary Shona Robison to their smash the pay freeze campaign event on Thursday.
A report could also see it move closer to allowing ministers to perform same-sex marriages.
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