Michael Jackson had levels of drugs in his body consistent with someone undergoing major surgery on the day he died in 2009, a coroner's expert said Monday.

The 50-year-old died from an overdose of the anesthetic propofol, given by his doctor Conrad Murray to help the singer with chronic insomnia during rehearsals for a doomed series of concerts in London.

A Bolivian brewer has come up with an innovative solution for quenching thirst and coping with altitude sickness: coca beer, based on the same leaf used to make cocaine.

Coca has only recently acquired its nefarious reputation: for millennia, people living along the Andes mountains have chewed coca leaves. The juice from the leaves has a mild stimulant effect, easing stomach pain and helping people from the lowlands cope with altitude sickness, known locally as soroche.

Shania Twain has announced 22 new show dates this fall to round out the first year of her two-year Las Vegas Strip residency.

Twain told The Associated Press Monday that the show at Caesars Palace is "a dream performance scenario" that allows her to balance her roles as a mother and as a country superstar.

If you called Sarah Brightman a space cadet, it would probably make her smile.

That's because she plans on becoming the first recording artist to venture into space en route to the International Space Station sometime in the next two years.

A fan jumped on stage at a Justin Bieber concert in Dubai, sparking a scramble as guards tackled the youth and toppled a piano over in the process, video footage showed on Monday.

The YouTube video shows a boy dressed in shorts and white shirt running across the stage and approaching the Canadian pop star as he performed on the piano.

U.S. rock band Aerosmith has cancelled a concert scheduled this week in Jakarta on safety concerns, a concert promoter said Sunday, following threats to bomb the Myanmar embassy in the Indonesian capital.

"We received the official confirmation yesterday from the Aerosmith management canceling the May 11 concert in Jakarta over safety concerns," said Sarah Deshita, spokeswoman for co-promoter Ismaya Live.

British actress Keira Knightley married singer James Righton in a discreet ceremony in the southern French village of Mazan on Saturday, according to the mayor.

Mayor Aime Navello told Agence France Presse the small civil ceremony was attended by "about 15 people", mostly family.

Japanese author and keen runner Haruki Murakami sent a "personal message" to the victims of the Boston Marathon bombing and said he also felt wounded by the attack on his favorite race.

"So, even from far away, I can imagine how devastated and discouraged the people of Boston feel about the tragedy of this year's race," he wrote in a piece for the New Yorker magazine titled: "Boston, From One Citizen Of The World Who Calls Himself A Runner."

Members of the Navajo tribe in the southwestern United States are hoping the force will be with them as they dub "Star Wars" into their native Dine language.

Two days of auditions began Friday at the Navajo Nation Museum in Window Rock, Arizona for Navajo wishing to lend their voices to Luke Skywalker, Darth Vader, Princess Leia, Han Solo, C-3PO, Obi Wan Kenobi and Grand Moff Tarkin.

Grammy-winning singer Usher believes his dancing skills will help him in his upcoming role as Sugar Ray Leonard in "Hands of Stone," a new boxing film about the great brawler Roberto Duran.

Usher said he has been preparing to play Leonard — a fighter with fast hands, smooth feet and a wide smile — for more than a year and still needs to lose nearly 25 pounds (11 kilograms) before shooting begins in October.