ISLAMABAD, Pakistan (Reuters) -- Rivals India and Pakistan agreed on Sunday to open the border dividing earthquake-hit Kashmir to allow survivors and relief supplies to cross.The accord is politically significant for old enemies who have been talking peace for almost two years.And it will be logistically helpful in terms of getting aid to cut-off villages in the mountains near the five points where the border will be opened."The two sides agreed on denationalization of the arrangement on November 7, 2005, as a humanitarian gesture," said a joint statement issued in the early hours of Sunday.News that three bombs had exploded, killing more than 50 people in New Delhi overshadowed the diplomats in Islamabad, whose talks dragged through Saturday late into the night.The outcome will go some way to dispel perceptions that New Delhi and Islamabad were wasting time scoring points against each other during the disaster, and will lift the spirits of Kashmiri families who will be allowed across to see kin on the other side.But it is unlikely to mean much to most of the 3 million-plus people living in dire straits since the quake on October 8 killed over 56,000 people, the bulk of them in Pakistan.With the Himalayan winter just weeks away and millions homeless, fears are growing for the lives of tens of thousands of villagers in Kashmir's mountains.Natural threats, angry pleasResidents in Muzaffarabad, the ruined capital of Pakistani Kashmir, were rocked by more aftershocks on Saturday, adding to anxieties.A massive U.N.-led effort to deliver vital food and shelter has been hampered by landslides blocking many mountain roads.At Chakothi, the last town in Pakistani Kashmir on the road from Muzaffarabad to Srinagar, the summer capital of Indian Kashmir, residents were getting impatient with being cut off.Pakistani army engineers have cleared landslides, and cut new sections of road out of rocky slopes, but the route is still blocked for the last 11 km (7 miles) and the only way for aid to reach the wrecked town is on foot, or by helicopter.Supplies are short and people are getting angry."Open up! Don't treat us like this!" a group of men shouted at soldiers manning the gate of an army camp on Saturday where supplies are dropped off by helicopter.The men, part of a crowd of several hundred outside the camp gates, said they were waiting for tents and food."We've been waiting for two days. They treat us like dogs, like Indians," one man said.The checkpoint between Chakothi and Uri, on the Indian side, was designated as one of the five crossing points, but at present the road is impassable on both sides of the border.India lost 1,300 people in the quake, many of them in Uri.Pakistan is accepting some relief supplies from India -- which has offered $25 million in aid -- but has refused to let Indian troops join the rescue work on Pakistani soil.Two of the three wars fought by the India and Pakistan, since they won independence in 1947 were over Kashmir.NATO preparationsThe commander of NATO's mercy mission to Pakistan said he was relying on the Pakistani military to identify where the need for relief was greatest."We are responding to where we are asked to go and for that we rely on Pakistan to determine," Vice Admiral John Stufflebeem, of the U.S. Navy, told Reuters.The NATO mission is focused on Bagh district of Pakistani Kashmir where some 300,000 people are believed to be in need of help. Its priority will be to distribute relief, install water purification facilities, deploy medical teams and engineers to help restore an infrastructure that was 90 percent destroyed.Islamist opposition politicians have criticized President Pervez Musharraf for accepting NATO's offer to deploy up to 1,000 troops, chiefly engineering and medical units, to help his government cope with the disaster.NATO was expected to have 32 helicopters belonging to alliance members in Pakistan in the next several days. They are crucial in delivering aid because of destroyed roads.The United Nations says unusually heavy snow was expected within weeks and thousands more lives were at risk unless donors give another $250 million immediately.With many survivors still without food or shelter, only about $117 million of $550 million needed has so far been provided and the U.N. warned that without more money it could keep its vital helicopter fleet running for only another week.Copyright 2005 Reuters. All rights reserved.This material may not be published, broadcast, rewritten, or redistributed.