American teenager Katie Ledecky has improved her own world record in the 1,500-meter freestyle at the swimming world championships.

The 18-year-old Ledecky completed the marathon-like race in 15 minutes, 27.71 seconds — shaving 0.65 seconds off the mark she set at last year's Pan Pacific championships in Australia.

The IOC will take action against any Olympic athletes if they are found guilty of the latest doping allegations rocking the sport of track and field, IOC President Thomas Bach said Monday.

Bach said it is up to the World Anti-Doping Agency to investigate the allegations, including that one-third of medals in endurance races at the Olympics and world championships from 2001 to 2012 were won by athletes who recorded suspicious blood tests.

David Boudia hoped some long-distance encouragement from his family could help him add a world championship title to his surprising Olympic diving victory from 2012.

Even with their help, though, the American couldn't quite match the strong finish by Qiu Bo as the Chinese diver earned his fourth world title on Sunday.

Bobby Brown's sister vowed the family feud was "far from over" between their family and the late Whitney Houston's kin during the memorial service for her niece, Bobbi Kristina Brown.

A frustrated Leolah Brown walked out of the St. James United Methodist Church in Alpharetta on Saturday and spoke to reporters gathered outside. She was angry because of some words that were said during the funeral by Pat Houston, the sister-in-law and former manager of Whitney Houston.

Donald Trump, widely believed to be the wealthiest U.S. presidential candidate ever, is nowhere among the ranks of the most generous Americans and hasn't donated to his own charity in seven years, according to an Associated Press review of his financial records and other government filings.

The billionaire TV star, who has dominated coverage of the Republican presidential race, has said he donated $102 million worth of cash and land to philanthropic and conservation organizations over the past five years. But his campaign has provided little documentation for most of these contributions, and tax filings of the Donald J. Trump foundation show Trump has made no charitable contributions to his own namesake nonprofit since 2008. Without an endowment, the fund has continued to give grants only as a result of contributions from others.

The stakes may be high for Ethan Hunt and his team in "Mission: Impossible - Rogue Nation," but it was hardly impossible for the Tom Cruise pic to conquer the box office.

The fifth installment in the nearly 20-year-old film series has earned $56 million, according to studio estimates Sunday. Opening weekend audiences were 62 percent male and 81 percent over the age of 25.

A South Carolina woman has been sentenced to five years of probation for fatally neglecting her boyfriend, who died several months after being taken to the hospital with bedsores, mold in his catheter and bug bites.

Multiple media outlets report Crystal Perdue, Rock Hill, pleaded guilty Friday to neglect of a vulnerable adult resulting in death.

Russia's President Vladimir Putin on Saturday placed a major archaeological site in Crimea, which he has hailed as the country's most sacred spiritual symbol, under federal control following turmoil over the appointment of its director.

The Kremlin said that Putin ordered the area of the ancient Greek city of Chersonesus to be placed under federal oversight. The site is located just outside Sevastopol, the main port city in Crimea, the Black Sea Peninsula annexed by Russia from Ukraine last year.

Lynn Anderson, whose strong, husky voice carried her to the top of the charts with "(I Never Promised You a) Rose Garden," has died. She was 67.

A statement from the family said she passed away at Vanderbilt University Medical Center in Nashville, Tennessee, on Thursday. Her publicist said the cause of death was cardiac arrest.

The filmmakers behind a documentary on the toy powerhouse Lego say critics who see the film as a 92-minute commercial for the tiny building blocks are missing the point.

"A Lego Brickumentary" opened Friday in limited theatrical release to mixed reviews, with some reviewers complaining the film took an uncritical eye to the toy that captivates children and adults alike.