British police were on Sunday investigating death threats against BBC director-general Tony Hall following his decision to drop popular "Top Gear" presenter Jeremy Clarkson. Scotland Yard police headquarters confirmed it was examining allegations made on Wednesday, when Hall confirmed Clarkson's contract would not be renewed at the end of March after he hit a producer. "Police in Westminster (central London) are investigating an allegation of threats to kill. "Top Gear" is the world's most popular factual television programme, with 350 million viewers per week in 170 countries.
Hometown hope Jimmy Walker fired six birdies in a three-under-par 69 to stretch his lead in the US PGA Tour Texas Open to four strokes. Walker, who lives just a half-hour's drive from TPC San Antonio, had a 54-hole total of nine-under-par 207 and a comfortable cushion over rising US star Jordan Spieth. Spieth, the 21-year-old who also hails from Texas, carded a one-under 71 for 211. He was two strokes in front of last season's FedEx Cup playoff champion Billy Horschel, who birdied the last three holes in a 71 for 213.