Padraig Harrington finished in a blaze to shoot an eight-under-par 64 and rocket into contention at the Abu Dhabi HSBC Championship.
The 51-year-old is 11-under-par for the tournament and currently one shot behind his compatriot Shane Lowry at the DP World Tour event.
Harrington is bidding to become the oldest winner in the history of the DP World Tour by eclipsing Miguel Angel Jimenez's current record of 50 years and 133 days.