Karen Buckley
Karen BuckleySupplied

Police investigating the disappearance Irish student Karen Buckley have arrested a 21-year-old man after human remains were found on a farm on the outskirts of Glasgow.

Buckley was reported missing after a night in Glasgow and was last seen in the early hours of 12 April on CCTV, outside the Sanctuary nightclub on Dumbarton Road.

Following a four day search, police found human remains on a farm six miles north of Glasgow city centre. Formal identification has yet to take place, but police believe the body parts belong to that of Buckley.

A 21-year-old man, believed to be Alexander Pacteau who was last seen leaving the nightclub with Buckley, has now been arrested.

Pacteau is said to have left the club with the 24-year-old and took her to his flat two miles away in Dorchester avenue.

Pacteau told police she left his flat around 4:00am after the pair had consensual sex.

He is expected to appear at a private hearing at Glasgow Sheriff Court on 17 April.

Det supt Jim Kerr said: "From what we can see, she does not appear to be under duress, there's no signs of a struggle or reluctance on her part to leave the club."

The area around High Craigton farm where the human remains were discovered has been closed off by police while the investigation continues.

A Police spokesperson said: "Officers have recovered human remains on a farm in the north of Glasgow, on the outskirts of Milngavie.

"Formal identification has yet to take place, however, police believe that they may be those of missing woman Karen Buckley."