PAKISTAN AND INDIA EXCHANGED A TOTAL OF 57 CIVILIAN PRISONERS FRIDAY AMID WARMING TIES BETWEEN THE NUCLEAR-ARMED SOUTH ASIAN RIVALS, OFFICIALS SAID. THIRTY-EIGHT PAKISTANIS WALKED THROUGH AN IRON GATE AT WAGHA, ONE OF THE FEW LAND CROSSINGS BETWEEN PAKISTAN AND INDIA NEAR THE EASTERN CITY OF LAHORE, SAID INTERIOR MINISTRY OFFICIAL GHULAM MOHAMMED. ANOTHER 19 INDIANS WERE FREED FROM PAKISTANI PRISONS AND RETURNED HOME, MOHAMMED SAID.