Masked gunmen killed five Shiite worshipers in Saudi Arabia during a major religious festival, police said Tuesday, in an unprecedented attack highlighting sectarian tensions in the Sunni-dominated kingdom.

Police said six people were detained after the shooting late Monday in Eastern Province, which came as Shiites prepared to mark the peak of Ashura, one of the holiest festivals of their faith.

On a night when he joined the NBA's 20,000-point club, Carmelo Anthony scored 28 points, including the go-ahead basket with 1:23 remaining, as the New York Knicks narrowly defeated the Charlotte Hornets 96-93.

Al Jefferson had 21 points, and Gary Neal added 17 points in a reserve role for the Hornets (1-2), who lost their second straight.

Jimmie Johnson won his third consecutive Texas fall race Sunday, when none of the eight championship contenders were able to clinch one of the final four spots in NASCAR's Chase for the Sprint Cup championship.

Johnson emerged from a frantic finish, the second attempt at a green-white-checkered finish after his teammate and Chase contender Jeff Gordon spun out from the front after contact with Brad Keselowski.

Race by race and point by point, Lewis Hamilton is tightening his grip on the Formula One world championship and squeezing out Mercedes teammate Nico Rosberg.

But not so far as to eliminate his rival as a title threat. Not yet.

Caroline Wozniacki was thrilled with her first marathon.

The tennis star ran the 26.2 mile course in just under 3 hours, 27 minutes — a few minutes ahead of her desired time. She originally had hoped to come in under 4 hours and quickly adjusted her goal to 3:30 during the race. So when she crossed the line and saw her time she was ecstatic.

A summer spree of $250 million on new players was supposed to restore the dwindling fortunes of Manchester United.

If anything, things may be getting worse at Old Trafford.

You don't get to be the longest-running children's show in TV history by doing the same thing over and over. So even though parents who grew up watching "Sesame Street" can still see old favorites like Big Bird, things on the street have changed since the show debuted 45 years ago on Nov. 10, 1969.

Cookie Monster now exercises self-control and sometimes eats fruits and vegetables. Millions of kids watch the show on phones and computers instead of TV. And there's less time spent on the street with human characters. They're just not energetic enough for today's viewers.

A bid by environmentalists to confront world leaders with a digital billboard highlighting climate change has been thwarted by Brisbane airport authorities who deemed the message too political.

Brisbane Airport will be the Australian gateway for leaders of 20 economies when they gather in the Queensland state capital next week for the annual G20 summit.

Investigators say Virgin Galactic's experimental spaceship broke apart in flight over California's Mojave Desert after a device to slow the craft's descent prematurely deployed.

National Transportation Safety Board acting chairman Christopher Hart said Sunday that while no cause for Friday's crash has been determined, investigators found the "feathering" system was activated before the craft reached the appropriate speed.

Daredevil Nik Wallenda wowed the world with back-to-back walks on a tightrope between Chicago skyscrapers without a safety net or a harness, performing one of them blindfolded, as a crowd gasped and cheered.

"I feel incredible," Wallenda said at a news conference afterward Sunday night.