NEW YORK -- In a less-traveled part of the 46-acre Billie Jean King National Tennis Center, an imposing black metal fence offers a reminder of the multiple security worries that come with hosting the U.S. Open.New York Police Department counterterrorism officials insisted that the fence, near a new 8,000-seat grandstand stadium, be reinforced earlier this year with thick strands of cable capable of withstanding a crash from a truck loaded with explosives.A lot of this stuff is off the radar, but it goes back to whats happening in the world, the events security director, Michael Rodriguez, said during a flurry of last-minute preparations for Mondays opening matches.Attacks in Europe and mass shootings in the U.S. have created a climate thats added to vigilance over this years U.S. Open, which already posed daunting security challenges because of its sheer size: 700,000 spectators over two weeks packed into two stadiums, two grandstands and other seating at more than a dozen other tennis courts, all connected by sprawling pedestrian walkways.Officials say they know of no credible threats against a Grand Slam event that happens to end with the mens final on the 15th anniversary of 9/11. But the NYPD, which ordinarily has hundreds of officers in and around the tennis center, plans to increase its presence this year. Thats on top of the tournaments roughly 300 private security guards.Layers of protection include installation of temporary closed-circuit surveillance cameras, including some perched atop the 23,771-seat Arthur Ashe Stadium, along with devices to detect chemical, biological or radiation risks.Ive already warned people theyre going to see it, Rodriguez said of the extra security. And they should feel good about seeing it.Rodriguez, a former NYPD detective sergeant and supervisor for the Joint Terrorism Task Force, said he meets twice a day with representatives from the various local and federal law enforcement agencies monitoring the U.S. Open. Sample topic: the difficulties of drone mitigation.Such widening risks were underscored last year when a small drone crashed into the stands during a match -- it turned out a science teacher lost control of it while flying it in a nearby park -- and in 2014, when an NYPD intelligence analyst told a gathering of private security directors that an al-Qaida online publication encouraged a car-bomb attack on the tournament.Just outside the gates of the tennis center, the NYPD will keep heavily armed officers trained to respond to terror attacks at the ready. As with other with other events like New Years Eve in Times Square, plainclothes officers will mix with the crowds.Other defenses include strict screening checkpoints for the throng of spectators. In the past decade, the U.S. Open became among the first sporting events to prohibit backpacks and use airport-style, walk-through metal detectors instead of less-reliable wands to check people for weapons.The event also has a rigorous inspection system for the more than 1,600 trucks that make deliveries during the event. Drivers are vetted, given a bar code and directed to an inspection point deliberately located a quarter-mile from the tennis center before they can enter the grounds.Last week, United States Tennis Association officials held a meeting at the tennis center with their counterparts from the French Open and other major tournaments to discuss ways to keep spectators safe.Anything can happen, Rodriguez said. The question is, `What are we doing to minimize the risks?With success at hardening the entrances at big tournaments, security directors have turned their attention to deterring threats to the potential target created by fans congregating in the longer lines to get in, said Richard Bower, owner of Bower Events, Inc., a private security firm that consults on the BNP Paribus Open in Indian Wells, California.That event now deploys SWAT and plainclothes officers, along with police dogs, where the lines form.Part of it is about making people approaching the event feel safe, Bower said.Sally Kane, 71, of New Rochelle, one of the many fans to turn out last week for free admission qualifying matches, scoffed at the potential risks.Terrorists dont want to come here, she said. What really bothered her was having to pay to store her metal water bottle -- on a list of banned items -- outside the center.Im very annoyed, Kane said. I would have felt just as safe with my water bottle. 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Jim Rutherford, President and General Manager of the Carolina Hurricanes, announced Wednesday that the team would assign Swedish forward Elias Lindholm to his nations team for the upcoming tournament.Alan Smith says Arsenal should consider Arsene Wengers position this summer if the Gunners fail to win the Premier League. Arsenal were knocked out of the FA Cup on Sunday, losing 2-1 at home to Watford, and are on the verge of Champions League elimination ahead of Wednesdays second leg in Barcelona.They must turn around a 2-0 deficit in the Nou Camp and if they do not, the league championship offers their only chance of silverware this season. After seeing his side dumped out of the FA Cup to Watford, Arsene Wenger denied that there is a lack of confidence in the Arsenal team But they are eight points adrift of leaders Leicester with just nine games left to play, and Smith feels their recent run of just one win in four league games makes landing the Premier League trophy unlikely.Its not over yet, there are still eight games to go, but I have to say its doubtful they will peg back Leicester and Spurs, the former Arsenal striker told Sky Sports Now. Ex-Arsenal striker Alan Smith does not believe his former club will win the Premier League this season Especially with the way theyre playing - the performances speak for themselves. It was the old failings they showed against a Watford side who have struggled foor goals.dddddddddddd.All of a sudden they looked potent on the counter-attack and that was down to Arsenals lack of shape. They dont look like theyve got the belief but you can never say never.If they get a win at Everton - and thats a really difficult game - then you just dont know but I cant see it unfortunately. Its not over yet, there are still eight games to go, but I have to say its doubtful they will peg back Leicester and Spurs. Alan Smith Wenger came in for renewed criticism following Arsenals loss to Watford, and although he dismissed it as a farce, Smith feels the managers position at the club should be reviewed if they fail to win a trophy this season.The argument is that the board are happy because theyre finishing in the top four and getting the Champions League money which comes with that, he said.We can no longer talk about the financial gap between Arsenal and teams like Manchester City and Chelsea because Leicester and Spurs have spent half as much as they have. A banner calling for Arsene Wenger to go was held up during Arsenals FA Cup win at Hull So that would be an indictment of Wenger. If they fall away, then the board have got to seriously look at the managers position and I think Arsene Wenger will have to look at his position too.Its been 12 years since they won the title and its a long time to go without that. People are paying a lot for tickets and they have a right to complain. Get Sky Sports Alerts Breaking news, line ups and goal alerts from your football club - direct to your mobile Also See: Wenger: Criticism a farce Arsenal 1-2 Watford FA Cup talking points Messi: Arsenal tie not over China NFL Jerseys Cheap Nike NFL Jerseys NFL Jerseys Cheap Wholesale NFL Jerseys Cheap Basketball Jerseys Online Stitched Hockey Jerseys Wholesale Baseball Jerseys Football Jerseys Outlet College Jerseys For Sale Cheap MLB Jerseys Wholesale Soccer Jerseys Wholesale Jerseys For Sale Wholesale NFL Jerseys ' ' '