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Seven killed in rush-hour blast

At least seven people have been killed and another 31 were injured after an explosion at a restaurant in north-western China.

The blast happened at the start of the morning rush hour in a fast food restaurant in Xi'an, the capital of Shaanxi province.

A natural gas leak was reported to be the likely cause of the explosion, which knocked windows out as far as a mile away.

Many of the victims, including children, were walking by the front of the restaurant or waiting for a bus

Obama hits at

water 'torture'

President Barack Obama says the interrogation technique known as waterboarding constitutes torturing, disputing Republican presidential candidates who say they would reinstate the practice.

Obama called the practice, which simulates drowning, "torture" at the Asian-Pacific Economic Cooperation summit.

Republicans Herman Cain and Michele Bachmann have said that they would reinstate it.

The Pill linked to male cancer

Use of the contraceptive pill has a statistical relationship with an increased risk of prostate cancer, according to new research.

A study found that in countries around the world where the proportion of women using the contraceptive pill is higher, the rates of prostate cancer in men is higher.

The research by a team of from Canada was published in the British Medical Journal Open.

Villagers kill 750 rare apes

At least 750 endangered orang-utans have been killed by villagers on the Indonesian side of Borneo over a year-long period, according to a new survey.

Some were killed in order to protect farmers' crops, while others were killed for their meat, researchers found.

Erik Meijaard, main author of the report, said he believes the killings pose a more serious threat to the apes' survival than previously thought.

Indonesia is home to 90pc of the 50,000-60,000 orang-utans left in the wild.