The United Nations has urged the international community to speed up its humanitarian response to the crisis caused by the devastating floods in Pakistan. The United States and other countries have contributed food, medicine and other supplies. The US has pressed into service 30 helicopters to deliver the relief supplies to the marooned people. The Pentagon says, US forces have rescued 2300 people and delivered 95 tonnes of aid to flood victims so far. The Pakistani Government is concerned about people still stranded in the waters. So far the floods have killed more than 1600 people and affected nearly 14 million people in Pakistan's provinces of Khyber Pakhtunkhwa, Punjab and Sindh. Pakistan's ambassador to the United States, Husain Haqqani, thanked Washington for its response to devastating floods in his country, but stressed that much more was needed for many months to come. He said yesterday, Pakistan specially needs helicopters to deliver the relief supplies, something the US did deliver last night.