US Undersecretary of State Karen Hughes has led a delegation of business leaders and officials to areas in Pakistan that were devastated by the October earthquake. Ms. Hughes visited students and teachers in Muzaffarab who have been holding classes in a tent camp since their school building was demolished by the quake. Ms. Hughes and other U.S. officials also handed out tarpaulins to help protect people from coming winter weather. President Bush sent the delegation to raise awareness that thousands of people are still in need of shelter, food, sanitation and health care. Meanwhile, India opened a fourth crossing point on the Line of Control in Kashmir to transport relief supplies into Pakistan, but the de-facto border remains closed to civilians. Officials say the two countries have yet to exchange lists of people seeking to cross to visit relatives affected by the quake.