Pakistan declares emergency as floods hit over 30 million people

Authorities say more than 900 killed and 220,000 homes destroyed in worst monsoon rains disaster for a decade

Heavy rain has pounded large areas of Pakistan as the government declared an emergency to deal with monsoon flooding it said had affected more than 30 million people.

The annual monsoon is essential for irrigating crops and replenishing lakes and dams across the Indian subcontinent, but each year it also brings a wave of destruction.