Police have reissued an appeal for an elderly man who has now been missing for three days as concerns for the pensioner grow.

Thomas Clark, 84, from East Kilbride, was last seen on the morning of Thursday March 23.

Now, though, cops have been able to confirm that he boarded a bus travelling in the direction of Airdrie.

Officers have been trawling through CCTV footage to get an idea of his movements from the point he was last seen.

Officers now understand Mr Clark boarded the 201 bus at Whitemoss Avenue, East Kilbride at around 1130 hours on Thursday 23 March.

The bus was heading out of East Kilbride in the direction of Airdrie.

The man, who resides in Kirkton Park in East Kilbride, was reported missing on Friday March 24.

READ MORE: Fears grow for missing 84-year-old East Kilbride man

Sergeant Nicola Hope, based at East Kilbride, said: “We would ask anyone who was on that bus on Thursday at around 1130 hours to think back. You may have seen Thomas Clark, or witnessed the stop that he got off the bus.

“Our enquiries are ongoing to trace Mr Clark. Officers are continuing to assess CCTV and are liaising with local transport providers.

“I want to thank everyone who took the time to share our social media appeals and I would ask that you continue to do so.

“Any information that you have could be vital in tracing Thomas Clark safe and well.”

He is described as a white man, 5ft 6in, slim build, and with white hair.

When he was last seen, Mr Clark was wearing a long brown/mahogany puffer jacket, brown leather shoes, a checked jumper in grey with blue and green diamonds on front, a black beanie hat, and grey padded gloves with black leather palms.

Anyone with any information should contact officers at East Kilbride on 101.