At the Cunningham Terrace car park, Mr McGovern was confronted by a man from the initial group of five men and was struck once more in the face and collapsed to the ground.
Det Ch Insp Richard Harkness appealed for information from taxi drivers and motorists at the Cunningham Terrace car park, Omagh, and especially the two middle-aged men who helped Jason into his taxi with his friend after the assault to contact police.