Rory McIlroy wins Arnold Palmer Invitational after stunning final round

Rory McIlroy recorded his first win in 18 months at the Arnold Palmer Invitational as he returned to peak form ahead of next month's Masters.

McIlroy will be bidding to complete a career grand slam at Augusta National and the Northern Irishman ensured he will be among the leading contenders after a majestic final round of 64 at Bay Hill.