Rory McIlroy falters after strong start as Aaron Rai leads at Wentworth

Rory McIlroy made a strong start at the BMW PGA Championship at Wentworth, reaching five under par through 10 holes, but dropped three bogeys on the back nine to fall off the pace. Aaron Rai took the lead at the tournament. McIlroy's inconsistent finish left him behind the leader after the opening round.