- The minds of patients with locked-in syndrome are perfectly healthy
- However the body is almost completely paralysed
- In Tony Nicklinson's case the condition began after he had a stroke
- It can also be caused by damage to nerve cells, diseases of the circulatory system and brain injury
- There is no standard treatment or cure
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The annual event has earned a place in the record books ahead of the grand final of the 60th anniversary show in Austria this evening.
Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Some students argued that the centuries-old tradition of wearing gowns, suits and mortarboards to exams was 'archaic' and looked elitist.