Rory McIlroy keeps two-shot lead in Dubai Invitational despite quadruple bogey

Three birdies on the back nine saw McIlroy sign for a 70.

Rory McIlroy bounced back from a quadruple bogey to hold the halfway lead in the Dubai Invitational (Kamran Jebreili/AP)

Rory McIlroy maintained his two-shot lead in the Dubai Invitational after battling back from a shock quadruple bogey in round two.

McIlroy had looked in imperious form as he carded an opening 62 and extended his overnight advantage to four shots on Friday with birdies on the third and fourth at Dubai Creek.