RIO DE JANEIRO, Brazil -- Striking construction workers and security personnel clashed Monday at Rio de Janeiros Olympic Park, the main cluster of venues under construction for the 2016 Summer Games. Rio Mais, the consortium building the Olympic venues, confirmed that random gunshots were fired as workers and security confronted each other. There were no reports of injuries at the venue cluster, which is located 25 kilometres (15 miles) west of central Rio. The work stoppage involving more than 2,000 workers began Thursday, and Rio Mais said it was unclear when work would resume. "We are worried by the fact we are losing time," said Mario Andrada, spokesman for the Rio Olympic organizing committee. "Beyond that, there is catch-up to do and we will have to move faster to make up whatever time weve lost." Andrada said he didnt have any details about the gunfire. "Gunshots and violence worry us," he added. "But right now we dont know where this came from." The labour dispute centres around which union represents the construction workers, and also involves benefits and working conditions. Workers also went on strike Monday in central Rio de Janeiro at the stadium that will be used for track and field at the 2016 Olympics. The Joao Havelange Olympic Stadium, known in Rio as the Engenhao, has been closed since last year to fix structural problems with the roof. The strikes are sure to capture the attention of the International Olympic Committee executive board, which is meeting this week in the Turkish Mediterranean resort of Belek. A team of IOC inspectors visiting Rio almost three weeks ago, headed by Olympic hurdle champion Nawal El Moutawakel, said the games faced "challenging deadlines." IOC President Thomas Bach has repeated often that Rio "doesnt have a day to lose," and some fear it could face chronic delays similar to those hitting the upcoming World Cup, which begins in two months. The strike adds to a growing list of problems confronting Rio organizers with the games just over two years away. Construction on the second largest cluster of venues in northern Rio de Janeiro, in an area called Deodoro, has yet to begin. Work on the Olympic golf course has also been delayed. Severe water pollution in Rios Guanabara Bay, the venue for Olympic sailing, is a growing concern with a test event scheduled there in August. IOC officials have said they will not risk the athletes health if the water is unsafe. Many of the delays are rooted in disputes among Brazils three levels of government over who pays for what. Most estimates suggest Brazil will spend about $15 billion on the Olympics, a mix of public and private money. Soccer Jerseys For Sale . CEO Steve Koonin on Tuesday told the Hawks flagship radio station that he made the decision to discipline Ferry but allowed him to keep his job managing the team. 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There is plenty of blame to be shared as a result of the most recent NHL player (Pittsburghs Brooks Orpik) to be evacuated from the ice on a stretcher following an ugly incident Saturday night in Boston.ANAHEIM, Calif. -- The Los Angeles Angels have requested waivers on 19-year veteran outfielder and designated hitter Raul Ibanez for the purpose of giving him his unconditional release. The highlight of his brief stay with them was on April 12 when he hit a tying three-run homer with two out in the bottom of the ninth inning against the New York Mets Jose Valverde for his 2,000th career hit. The Angels also optioned right-hander Cam Bedrosian to Double-A Arkansas, after he gave up nine runs, eight hits and seven walks in 5 2/3 innings over his first six big league appearances. Infielder Efren Navarro was recalled from Triple-A Salt Lake, and right-hander David Carpenter was added to the major league roster. Ibanez, the second-oldest player in the majors behind Jason Giambi, bbatted .dddddddddddd157 with three homers and 21 RBIs in 190 plate appearances for the Angels after signing a one-year deal for $2.75 million during the off-season. "Rauls going to be tough to replace in the clubhouse. He brings so many intangibles," manager Mike Scioscia said. "Weve got some young kids, but its a tough day for us. Rauls a great competitor and a terrific person, and well definitely miss him. Like anybody, there was disappointment. Hes very accountable. He knows he didnt do what he wanted for us. He took it with what youd expect for a guy with his class." Ibanez career has included three stints with the Seattle Mariners. He also played for Kansas City, Philadelphia and the New York Yankees. His career average is .273 with 303 homers and 1,202 RBIs. ' ' '