The death toll from floods in Pakistan has passed 1,200 - with more rain forecast over the next few days.

The floods have affected more than 33 million people, or one in seven Pakistanis.

Aid has been pouring into the country and Prime Minister Shahbaz Sharif is visiting flood-hit areas to oversee rescue and relief activities.

Further rain is forecast across the country over the next few days, including the capital Islamabad, threatening to exacerbate the situation.

Health officials are reporting an outbreak of waterborne diseases in the flood-affected areas as authorities step up efforts to provide clean drinking water to hundreds of thousands of people who have lost their homes in the disaster.

Pakistan blames climate change for unusually early and heavy monsoon rains, which have caused flash floods since June.