Thứ Sáu, 30 tháng 12, 2016

Concrete bollards in place to prevent copycat London lorry attack



Concrete bollards will block traffic from crowds in central London on New Year's Eve to prevent a potential lorry attack.
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Extra security measures are in place ahead of tonight's celebrations, after this month's terror attack on a Christmas market in Berlin.

A record number of concrete bollards will be placed at junctions to keep vehicles out of central London.
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Armed police will also be deployed on London Underground trains for the first time on New Year's Eve following a review of security.









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Video:Met Police on heightened NYE security

The armed officers and other additional patrols have been brought in to bolster the 3,000 officers who will police the capital's streets.

UK authorities say they are not responding to any specific intelligence of a threat, but are taking precautions after recent events in Europe.

In July, Mohamed Lahouaiej Bouhlel killed 86 people when he drove a 19-tonne lorry into crowds on Nice's seafront promenade.

Then, earlier this month, Anis Amri killed 12 people when he drove a hijacked lorry into a Berlin Christmas market.

In response to that attack police in the German capital have closed the Pariser Platz square in front of the Brandenburg Gate.

They are deploying 1,700 extra officers, as well as armoured cars and concrete barriers blocking off the area.

The Metropolitan Police confirmed that security plans for the capital's New Year's Eve celebrations - had been "adjusted" in the last few days.

Trial to see if dogs can detect prostate cancer in humans



A major trial is under way in Milton Keynes using dogs to detect prostate cancer.
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The programme is part-funded by the NHS and is being run by the Medical Detection Dogs charity.

Eight dogs are undergoing training using samples from real prostate cancer patients at Milton Keynes University Hospital.

The study aims to prove how accurately dogs can detect human cancer.
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Bio-detection training manager Rob Harris said: "These dogs are being trained to detect the volatile signature for prostate cancer, so what they're using is their incredible sense of smell to analyse all of these chemicals that are coming off the urine sample and then they're looking for a pattern that's specific to prostate cancer."

The dogs are all pets living with families, and have each been selected for their ability to sniff.
Image Caption:Eight dogs are being trained using samples from real prostate cancer patients

Impressively, the dogs can detect the equivalent of a single drop of blood in two Olympic-sized swimming pools.

That's why the charity believes dogs can make a real difference to prostate cancer detection.

A mixture of breeds are involved in the study, including Labradors and working spaniels.
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Dr Claire Guest, the chief executive of Medical Detection Dogs, explained: "The dog is a bio-sensor, a highly sophisticated bio-sensor, with 300 million sensors. Just because he has a furry coat and a waggy tail doesn't make the science any less real.

"If we can prove the accuracy of these dogs and have a test that's 90% reliable, then that's the most reliable test currently available in prostate testing."

Despite affecting one in seven men, prostate cancer is notoriously difficult to diagnose.

There's no single test, and the current procedure generally involves a blood test, known as a PSA test, a physical examination and a biopsy.

The current blood test fails to detect prostate cancer in up to 15% of men, and gives a false positive in 76% of cases.

Chris Eglinton's diagnosis took nearly four months, but he was lucky and his treatment has worked. The long wait made his experience all the more difficult.

"I was worried," he says. "You realise why you're being tested because you ask all the questions. As soon as the magic word or the dreadful word 'cancer' is mentioned, you really do feel terrible and I had to go home from the examination and tell my wife and family what the problem was, so it's quite frustrating."

Mr Eglinton welcomes the idea of diagnosis by dog.