Police hold “grave concerns” for missing flight attendant Luke Davies and are treating his disappearance as suspicious after his possessions were found in a skip-bin in Sydney’s south.

Officers located items belonging to Davies and another man, believed to be 26-year-old ex-Ten presenter and partner Jesse Baird, in the bin on Wilbar Avenue at Cronulla about 11am yesterday.

They then attended a home at Brown Street in Paddington, where officers “immediately” established a crime scene.

Police have been unable to locate Jesse Baird (left) while they hold grave concerns for Luke Davies (right). (Instagram/Jesse Baird)

Police went to Davies’ home in Waterloo, but he has not been located and his disappearance is being treated as suspicious.

Investigators are now trying to determine the location of Baird, who they believe can assist with inquiries.

Davies is described as being between 170-175cm tall, having a medium build, brown hair and brown eyes.

Police are appealing for anyone with information about Davies’ whereabouts – or who may have information relevant to the investigation – to contact Waverley Police or Crime Stoppers on 1800 333 000.