The Green Party has launched its manifesto with calls for a dedicated 'NHS tax'to bring spending towards the European average. It also wants to see the reintroduction of free eye tests and dental treatments and an end to prescription charges.

The party, contesting 140 seats in England and Wales, stresses the need to tackle public health. 'The health service should do more than help the sick: it should tackle the causes of illness, 'the manifesto says.