Lise Grande, the UN Humanitarian Coordinator for Iraq, said the cost of food and basic goods is soaring, water and electricity are intermittent and that some residents are forced to burn furniture to keep warm.
Iraqi and Kurdish forces launched a massive operation in October to retake Mosul, which fell to IS in the summer of 2014. They have driven the militants from nearly all of the neighborhoods east of the Tigris River, which runs through the heart of the city.
The statement, which was co-signed by 20 international and local aid groups, called on warring parties "to uphold their obligations under international humanitarian law to protect civilians and ensure they have access to life-saving assistance.
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