Watch: Christine Ohuruogu wins thrilling 400m gold at 2013 World Championships
Watch Christine Ohuruogu, who has announced her retirement, win gold in the women's 400m in a dramatic photo finish at the 2013 World Championships in Moscow.
Watch Christine Ohuruogu, who has announced her retirement, win gold in the women's 400m in a dramatic photo finish at the 2013 World Championships in Moscow.