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The traditional Par 3 curtain-raiser to the Masters tournament in Augusta, Georgia, has been cancelled because of severe weather warnings.
A tornado threat in the area forced officials to close the course for the rest of the day on Wednesday.
The event, held each year on the eve of the opening round, often sees family members or celebrities serving as caddies to the professionals.
Bad weather has affected practice sessions at the course all week.
It is the first time in the history of the Masters that the Par 3 event has been cancelled.
“Augusta is now in a ‘Particularly Dangerous Situation’ tornado watch, which means there is a high probability of tornadoes in the area,” said BBC meteorologist Simon King.
Earlier on Wednesday officials closed the course for two and a half hours because of thunderstorms and weather warnings, and when players returned to the course for the Par 3 tournament, just 55 minutes of play was possible before being abandoned.
The weather is expected to affect the opening round of the 81st Masters on Thursday, with 40mph winds forecast during play.
Victory this week would see McIlroy complete a grand slam of majors, adding to his US PGA Championship titles from 2012 and 2014, his 2014 Open Championship win and the US Open success he recorded in 2011.
He will play in this year’s Par 3 competition, adding to the number of holes he has amassed on the course in the run-up to the season’s first major.
“The more you can make Augusta National feel like your home golf course, the better,” added McIlroy.
“I’ve played here a good bit in recent weeks. I’ve shot good scores and I feel like I know what I am doing here. It’s all there. I know it’s all there, it’s just a matter of going out there and doing it.
“That’s the difficult thing – it’s almost like getting out of your own way and letting your subconscious take over.”
Coverage: Watch highlights of the first two days before live and uninterrupted coverage of the weekend’s action on BBC Two and up to four live streams available online. Listen on BBC Radio 5 live and BBC Radio 5 live sports extra. Read live text commentary, analysis and social media on the BBC Sport website and the sport app. Full details here.
England’s Danny Willett will begin the defence of his Masters title playing alongside American Matt Kuchar and Australian amateur Curtis Luck.
The 29-year-old, who won his first major at Augusta National last year, will tee off at 17:24 BST.
Northern Ireland’s Rory McIlroy, 27, will play alongside highly-rated Spaniard Jon Rahm at 18:41.
World number one Dustin Johnson is in the final trio with two-time winner Bubba Watson and Jimmy Walker at 19:03.
American Jordan Spieth, winner in 2015 and runner-up in 2014 and 2016, starts his fourth Masters campaign at 15:34. The 23-year-old is playing with Germany’s Martin Kaymer and England’s Matthew Fitzpatrick.
Three-time winner Phil Mickelson, 46, is in the following trio at 15:45.
American record six-time winner Jack Nicklaus, 77, and South Africa’s Gary Player, 81, who has three Green Jackets, will be the honorary starters. The pair have hit the opening tee shots of the tournament for several years in the company of four-time winner Arnold Palmer, who died in September 2016 at the age of 87.
Georgia native Russell Henley, who only qualified by winning the Houston Open on Sunday, is in the first pairing, out at 13:00.
England’s Justin Rose, who has had four top-10 finishes in the past 10 years, will play with Australia’s world number three Jason Day and American Brandt Snedeker. They tee off at 15:56 and are last out in Friday’s round two at 19:03.
Spain’s Sergio Garcia and England’s Lee Westwood are in the same trio as Ireland’s Shane Lowry.
A record 11 Englishmen are in the field of 94 players, which also includes two Scots – Russell Knox and 1988 champion Sandy Lyle – while 1991 winner Ian Woosnam is the only Welshman.
Coverage: Watch highlights of the first two days before live and uninterrupted coverage of the weekend’s action on BBC Two and up to four live streams available online. Listen on BBC Radio 5 live and BBC Radio 5 live sports extra on all four days, and read live text commentary, analysis and social media on the BBC Sport website and the sport app. Full details here.
It’s a tradition dating back to 1952, started by two-time Masters winner Ben Hogan.
Each year the defending Masters champion selects the menu for the Champions Dinner, an exclusive event only attended by previous Green Jacket winners, on the Tuesday before the tournament.
England’s Danny Willett, who won last year’s opening major of the year, has said Yorkshire pudding will feature at Augusta National.
But what have other champions chosen over the years?
BBC Sport delves into the Masters archive to relive five of the greatest shots ever played at Augusta.
Watch coverage of the 2017 Masters live on BBC TV, Red Button, Connected TVs and online from Saturday. Listen live on Radio 5 live or 5 live sports extra and follow on the BBC Sport website from Thursday.
Rickie Fowler says television viewers affecting golf tournaments “is not making the game look very good at all”.
The former world number one wants outside contact with officials to end and believes all players agree.
American Lexi Thompson, 22, was leading the first women’s major of the season on Sunday when she received a four-shot penalty after a TV viewer spotted an infringement and contacted officials.
“There’s no question it should be ended,” Fowler said.
The American, who was speaking in the build-up to this week’s Masters in Augusta, added: “I don’t think you could find one player that would say otherwise.
“If there’s an official always monitoring any video or anyone on camera, that’s fine, and I have no problem with that. You look at other sports, they go to someone in the video booth and there’s an official in there that can look over stuff – great.
“There shouldn’t be any outside contact, whether it’s email or phone calls, whatsoever. We’ve seen some stuff in the past year which is not making the game look very good at all.
“There’s no other sport where people can call or email in or contact officials regarding an issue. These decisions are left up to officials. There are not people sitting at home dictating this, or in this case, having a large effect on the outcome of a major.
“I feel bad for Lexi. The way she handled it, the way she fought, was impressive.”
Thompson issues new statement
Thompson, meanwhile, has issued a new statement saying professional golfers should accept the decision of officials “no matter how painful it is”.
American Lexi Thompson receives a four-stroke penalty while leading the final round of the first major of the season – and then loses the play-off to So Yeon Ryu – after a TV replay showed her incorrectly replacing a ball.
Thompson was leading the ANA Inspiration by two shots when told of the penalty after her 12th hole.
Thompson appeared to put a marker at the side of her ball on the 17th green before lifting it and replacing in front of the marker prior to a putt of less than two feet.
The LPGA said she “breached Rule 20-7c (playing from wrong place), and received a two-stroke penalty. She incurred an additional two-stroke penalty under Rule 6-6d for returning an incorrect scorecard in round three.”
Her five-under-par third-round 67 was changed to a 71.