BEST QUALITY AVAILABLE

Undated handout photo issued by Police Scotland of student Karen Buckley, who disappeared after telling friends she was going to the toilet at Sanctuary nightclub in Dumbarton Road, Glasgow. PRESS ASSOCIATION Photo. Issue date: Monday April 13, 2015. Karen, 24, from Cork in Ireland, and her friends arrived at the nightclub at around 11.45pm on Saturday. At around 1am she told friends she was going to the toilet but did not return and did not take her jacket. See PA story SCOTLAND Missing. Photo credit should read: Police Scotland/PA Wire

NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.