RIO DE JANEIRO -- Ten Brazilians who pledged allegiance to the Islamic State militant group were arrested Thursday, authorities announced, describing them as amateurs who discussed on social media the possibility of staging attacks during next months Olympics.Justice Minister Alexandre de Moraes said in the capital, Brasilia, that the 10 were being held on two terrorism-related charges and that two more people were being sought.Authorities said any attack plan would have had little chance of coming to fruition, citing the groups lack of resources and skills.But officials and security experts argued that police were justified in being aggressive in light of lone wolf attacks staged in the U.S. and Europe by men with little or no training.Moraes said police acted because the group discussed using weapons and guerrilla tactics to potentially launch an attack during the Olympics, which begin in Rio de Janeiro on Aug. 5. They will remain in police custody for at least 30 days.They were complete amateurs and ill-prepared to actually launch an attack, Moraes said. A few days ago they said they should start practicing martial arts, for example.He said that there were no specific targets for an attack, but that even disorganized groups have to be taken seriously.The possibility of an attack is not so far-fetched even though Brazil has never been a target for terrorism, said Alex Kassirer, a counterterrorism analyst at Flashpoint, a New York-based intelligence group.The Olympics is a really unique opportunity to be able to target a concentration of all of the enemies in one area, she said.Kassirer pointed out the Islamic State group launched a channel in May on the messaging app Telegram to disseminate jihadi propaganda specifically in Portuguese. On Sunday, another channel vowed allegiance to IS, although its authenticity has not been determined, she said.The arrests were made in 10 different states, including Sao Paulo and Parana in the southern part of the country, and it was not clear whether the suspects knew each other beyond their online contacts.Moraes said authorities seized computers, cellphones and other equipment, but no weapons.Authorities said the investigation that began in April showed the suspects had all been baptized as Islamic State sympathizers online but none had actually traveled to Syria or Iraq, the groups stronghold, or received any training. Several were allegedly trying to secure financing from IS.Investigators said none of the suspects was of Arab descent, but released no details on their religion. They were described as being between the ages of 20 and 40, except for one minor.Newton de Oliveira, a professor and security specialist at Mackenzie Presbyterian University in Rio de Janeiro, applauded authorities for detecting the group, saying recent world events raised worries about terrorism during the sporting event.But he cautioned it was hard to say how serious this threat was.Its not clear whether we are talking about young people getting carried away or if they were going to move forward with actions, Oliveira said.The justice minister said one of the suspects communicated with a store in Paraguay via email in an alleged attempt to buy an AK-47 assault rifle, apparently the most concrete action taken toward a possible attack. The email communication was intercepted by police.Brazilians are allowed to possess small firearms but must have a license and training to do so. Only members of the military may possess assault weapons like the AK-47, although those and other firearms are common in the country, especially in slums controlled by drug gangs.Last week the top military aide for Brazils interim government said concerns over terrorism had reached a higher level after the truck attack that killed 84 people in Nice, France.Officials did not raise the countrys terror alert level Thursday following the raids.Security has emerged as the top concern during the Olympics, including violence possibly spilling over from Rios hundreds of slums. Authorities have said 85,000 police officers and soldiers will be patrolling during the competitions.---This story has been corrected to reflect that the store from which one suspect allegedly tried to acquire an assault rifle is in Paraguay, not Brazil. New England Patriots Store . 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The All-Pro lineman got the leg bent under him while trying to make a tackle during the first half of a 22-20 overtime loss at Miami on Thursday night. The medical staff initially thought hed torn the ligament, and the test a day later in Cincinnati confirmed it. BOULDER, Colo. -- In seasons gone by, the Colorado Buffaloes would be playing for nothing more than a little pride at this stage of the year.How those times have dramatically changed for the once downtrodden program. The rise of the No. 21 Buffaloes (6-2, 4-1 Pac-12, No. 15 CFP ) has been one of the more intriguing story lines in college football this season. They were considered a fringe bowl team at best heading into the year and their coach, Mike MacIntyre, on the hot seat.Just look at the Buffaloes now: In control of the Pac-12 South race as they face UCLA (3-5, 1-4) on Thursday night.When I first got here I knew that Colorado was on the up and this year weve proven that were on the rise, senior defensive lineman Jordan Carrell said. We do control our own destiny. We just have to stick to that one-game mindset.No time for slip-ups. Not with so much at stake. First, a Bruins team the Buffaloes havent beaten since joining the conference in 2011. Then, at Arizona, followed by two home games against No. 25 Washington State and No. 16 Utah. After that, a possible trip to the Pac-12 Championship Game.But thats too far down the road to even entertain. UCLA has Colorados undivided attention.I think being ranked is also going to give extra incentive for teams to come out there and give us their best shot, senior quarterback Sefo Liufau said. So each game is critically important. Each game is like a championship game because destiny is in our hands.On offense, the Buffaloes have fared well against UCLA the last two seasons, rolling up 1,054 total yards. It netted them exactly this: A 40-37 double-overtime loss in 2014 and a 35-31 defeat last season in Pasadena.I remember those games vividly, Liufau said. I dont use them as extra motivation.With UCLA standout quarterback Josh Rosen likely sidelined with a shoulder injury, the Colorado defense is bracing for Mike Fafaul, who threw the ball 70 times for 464 yards and five TDs in a 52-45 loss to Utah on Oct. 22.A formidable challenge for a Buffs defense thats ranked 30th in the country against the pass.They will stretch us for sure, so were going to have to play really good coverage, MacIntyre said.Meanwhile, the Bruins are trying to finish up strong aafter dropping three straight.ddddddddddddTo get a four-game win streak (to close out the season), weve got to go 1-0, Bruins tight end Austin Roberts said. Weve got to get it started this week. Who better than against a great team like Colorado?Things to know in a series the Bruins lead by a 9-2 margin:CLOSING TIME: All five of UCLAs losses this season have been by nine points or less. The Bruins had the ball on the final possession with a chance to tie or take the lead in each of them, including the game against Stanford when Rosens fumble was returned for a TD on the final play. Weve got to be more consistent on offense, Roberts said. We cant start off the game hot with two touchdowns, then go three possessions in a row with three-and-outs and have our defense out there getting tired and gassed.RUNNING ROOM: The Bruins are trying to get the running game on track. Theyre averaging 85.5 yards per game. If you look at our numbers, or our record, it doesnt define who we are, tailback Bolu Olorunfunmi said. Just keep working.KICKING WOES: Colorado kicker Davis Price took over for Diego Gonzalez after Gonzalez tore his Achilles tendon earlier in the season. But Price is still dealing with mono and may not play Thursday. That leaves Chris Graham as option No. 1, followed by punter Alex Kinney. We definitely would like to score more touchdowns than kick field goals, MacIntyre said.ANOTHER RECORD: Liufau will tie the school record for most starts by a Colorado quarterback on Thursday. Hes already set or tied 81 school records. Its a blessing to be able to play so long in college football, Liufau said. But sadly that also means that its almost over.LINDSAY UPDATE: Phillip Lindsay, the tailback with the wild hair and fitting nickname of Tasmanian Devil, is steadily recovering from a tweaked ankle. He leads the Buffaloes in yards rushing (745) and all-purpose yards (998). Hes 100 percent healthy. His hair looks good, too, MacIntyre said. I told him dont cut it.---AP freelancer Dan Greenspan in Los Angeles contributed.---More AP college football: http://collegefootball.ap.org ' ' '