A Palestinian woman holds her baby, who had been born in shelters during the Israeli offensive, during a ceremony to honor the mothers in an UNRWA center in Rafah refugee camp, in southern Gaza Strip on August 13, 2014. The Palestinian medical sources estimates that about 5,000 new baby were born and 10,000 homes were destroyed during the Israeli military operation that began on July 8. Indirect negotiations between Palestinians and Israelis for a truce in Gaza resumed on Wednesday, a Palestinian official said, as the clock ticked towards the midnight expiry of a three-day halt to hostilities. Photo by Abed Rahim Khatib/Flash90

Palestinian women hold their babies, who had been born in shelters during the Israeli offensive, during a ceremony to honor the mothers in an UNRWA center in Rafah refugee camp, in southern Gaza Strip on August 13, 2014. The Palestinian medical sources estimates that about 5,000 new baby were born and 10,000 homes were destroyed during the Israeli military operation that began on July 8. Indirect negotiations between Palestinians and Israelis for a truce in Gaza resumed on Wednesday, a Palestinian official said, as the clock ticked towards the midnight expiry of a three-day halt to hostilities. Photo by Abed Rahim Khatib/Flash90

Palestinian women hold their babies, who had been born in shelters during the Israeli offensive, during a ceremony to honor the mothers in an UNRWA center in Rafah refugee camp, in southern Gaza Strip on August 13, 2014. The Palestinian medical sources estimates that about 5,000 new baby were born and 10,000 homes were destroyed during the Israeli military operation that began on July 8. Indirect negotiations between Palestinians and Israelis for a truce in Gaza resumed on Wednesday, a Palestinian official said, as the clock ticked towards the midnight expiry of a three-day halt to hostilities. Photo by Abed Rahim Khatib/Flash90

A Palestinian woman holds her baby, who had been born in shelters during the Israeli offensive, during a ceremony to honor the mothers in an UNRWA center in Rafah refugee camp, in southern Gaza Strip on August 13, 2014. The Palestinian medical sources estimates that about 5,000 new baby were born and 10,000 homes were destroyed during the Israeli military operation that began on July 8. Indirect negotiations between Palestinians and Israelis for a truce in Gaza resumed on Wednesday, a Palestinian official said, as the clock ticked towards the midnight expiry of a three-day halt to hostilities. Photo by Abed Rahim Khatib/Flash90

Egyptian security forces stand guard in a control tower near the Egypt-Gaza border in the Rafah town in the southern Gaza Strip, August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90

A Smuggling tunnels, wreckage, which witnesses said an Israeli air strike earlier in Rafah in the southern Gaza Strip on August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90

A Palestinian man inspects national security site wreckage near the border Egypt with Gaza, which witnesses said an Israeli air strike earlier in Rafah in the southern Gaza Strip on August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90

A Palestinian man inspects national security site wreckage near the border Egypt with Gaza, which witnesses said an Israeli air strike earlier in Rafah in the southern Gaza Strip on August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90

A Palestinian man inspects national security site wreckage near the border Egypt with Gaza, which witnesses said an Israeli air strike earlier in Rafah in the southern Gaza Strip on August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90

A Palestinian man inspects national security site wreckage near the border Egypt with Gaza, which witnesses said an Israeli air strike earlier in Rafah in the southern Gaza Strip on August 13, 2014. The threat of renewed war in Gaza loomed on Wednesday as the clock ticked toward the end of a three-day ceasefire without a sign of a breakthrough in indirect talks in Cairo between Israel and the Palestinians. Israeli negotiators returned to Egypt after overnighting in Israel, with the truce in the month-old hostilities that have killed 1,945 Palestinians in the Gaza Strip and 67 on the Israeli side due to expire at 2100 GMT (5 p.m. EDT). Photo by Abed Rahim Khatib/Flash90