Los Angeles County Sheriff's detectives are investigating Justin Bieber for reckless driving after witnesses — including former National Football League star Keyshawn Johnson — complained about the pop-star's alleged freeway speeds in their gated community in north Los Angeles County.

At about 8 p.m. Monday, Bieber allegedly drove his white Ferrari at freeway speeds in what is a 25 mph (40 kph) zone, Sheriff's spokesman Steve Whitmore said.

Bollywood megastar Shah Rukh Khan has undergone surgery for a shoulder injury suffered while doing stunts for his new movie "Chennai Express."

Sanjay Desai, his doctor, said Khan's surgery in a Mumbai hospital on Tuesday was successful but he will need to rest for two months.

The mother of the Chinese newborn trapped in a sewer pipe in a stunning ordeal caught on video had raised the initial alarm and was present for the entire two-hour rescue but did not admit giving birth until confronted by police, reports said Wednesday.

The state-run, Hangzhou-based newspaper Dushikuaibao said police became suspicious when they found baby toys and blood-stained toilet paper in the 22-year-old woman's rented room, in the building where Saturday's rescue occurred in eastern China.

Swimming and gymnastics were the big winners Wednesday in a new revenue-sharing ranking of Olympic sports, signaling the start of the debate over how to split the money from the 2016 Games in Rio de Janeiro.

The IOC executive board promoted the international swimming and gymnastics federations into the top tier along with track and field in a list of five groups comprising the 28 summer Olympic sports.

Nepal celebrated the 60th anniversary of the conquest of Mount Everest on Wednesday by honoring climbers who followed in the footsteps of Edmund Hillary and Tenzing Norgay.

Among them was Italian Reinhold Messner, the first climber to scale Everest without using bottled oxygen and the first person to climb all of the world's 14 highest peaks.

An Egyptian-born wrestler has become the first African to be promoted to the elite division of Japan's ancient sport of sumo.

The Japan Sumo Association on Wednesday promoted Osunaarashi to the juryo division, the second-highest in sumo.

Always so avant-garde, Serena Williams started this year's French Open fashion of addressing the Court Philippe Chatrier spectators in their language.

Rafael Nadal followed suit after his first-round victory, as did Roger Federer, who's done it for years.

A small explosion Tuesday in a Disneyland trash can that appeared to be caused by dry ice in a bottle brought evacuations but no damage or injuries, officials and witnesses said.

The blast was reported at about 5:30 p.m. in the Mickey's Toontown area of Disneyland, Anaheim police spokesman Sgt. Bob Dunn said.

A CSX freight train crashed into a trash truck, derailed and caught fire Tuesday in a Baltimore suburb, setting off an explosion that rattled homes at least a half-mile (800 meters) away and sent a plume of smoke into the air that could be seen for miles.

In the third serious derailment this month, the dozen or so rail cars, at least one carrying hazardous material, went off the tracks at about 2 p.m. in Rosedale, a suburb east of Baltimore. A hazardous materials team responded, but Baltimore County Executive Kevin Kamenetz said at a news conference that no toxic inhalants were being released. Officials did not order an evacuation.

Nike, which helped build Lance Armstrong's Livestrong cancer charity into a global brand and introduced its familiar yellow wristband, is cutting ties with the foundation in the latest fallout from the former cyclist's doping scandal.

The move by the sports shoe and clothing company ends a relationship that began in 2004 and helped the foundation raise more than $100 million, making the charity's bracelet an international symbol for cancer survivors.