Olympic 400m gold and silver medallist Christine Ohuruogu has won the women’s 400m event at the Olympic Stadium in the Anniversary Games in London.
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A student diagnosed with an aggressive form of leukaemia has found a stem cell donor against the odds.
Air pollution released decades ago could still be causing deaths today, according to a new study.
Democrat presidential hopeful Hillary Clinton begins her New Hampshire campaign but young and female voters are opting for Bernie Sanders.