Urgent aid appeal launched as satellite images show a third of Pakistan underwater

Humanitarian workers expect conditions to worsen as monsoon rains continue and say millions face a terrible winter

Aid workers have appealed for urgent donations to fight the absolutely devastating" impact of flooding in Pakistan, as new satellite images appeared to confirm that a third of the country is now underwater.

As the UK's Disasters Emergency Committee (DEC) launched an appeal to raise funds for the 33 million people affected, the European Space Agency released stark images based on data captured by its Copernicus satellite.