Mexico City - Mexican Interior Minister Juan Camilo Mourino and a presidential adviser on security issues died when a small plane crashed in the Mexican capital, Mexico City Mayor Marcelo Ebrard said.

The crash left eight people dead and at least 40 injured, Ebrard said. However, he noted that the authorities could not immediately confirm whether all eight of the dead had been travelling on board the plane.

President Felipe Calderon expressed "enormous sorrow" over the death of his interior minister and close friend.

According to a study published in the Journal of the American Medical Association, Researchers have found that folic acid and other vitamin B supplements do not offer any benefit in lowering cancer risk. On the upside, researchers noted that it won’t increase your risk either.

Dr. Shumin Zhang, study author and an associate professor of medicine at Brigham and Women's Hospital and Harvard Medical School, in Boston said, "In women at risk of cardiovascular disease, we found that folic acid, vitamin B6 and vitamin B12 had no beneficial or harmful effects on the risk of invasive cancer or breast cancer."

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London, Nov 5 : Scientists have developed a new drug that mimics the effects of an ingredient in red wine, which may be a powerful weapon in the fight against obesity and diabetes.

While testing the compound, called SRT1720, researchers found that it protected mice from weight-gain and insulin disorders – even when they ate a high-fat diet.

They also found that the drug appears to increase energy levels when exercising.

Washington, Nov 5: Archaeologists have unearthed what is believed to be the world''s oldest known grave of a shaman in northern Israel, which includes an elderly female of the mysterious Natufian culture, animal parts, and a human foot.

According to a report in National Geographic News, the grave dates back to 12,000 years, and is unique in its construction, contents and arrangement.

"From the standpoint of the status of the grave and its contents, no Natufian burial like this one has ever been found," lead archaeologist Leore Grosman said. "This indicates the woman had a distinct societal position," he added.

The Nagpur Police Commissioner, Praveen Dixit, confirmed reports of JeM threat to ace cricket player Sachin Tendulkar stating, "The Central government has issued a high-alert for Sachin...They have information that the JeM has issued a threat to him."

However, keeping in mind the terror threats on the Aussies, he took a U-Turn and said, "There is no specific threat to any individual player and there is no threat input".

He further added that the security arrangements would be usual and uniform.