The U.N. estimates some 37,000 Palestinians have been driven out by a month-old offensive against militant groups in the occupied West Bank.

Nearly 40,000 Palestinians driven from their homes by Israel’s month-long offensive in the West Bank have scattered across nearby villages and towns, trying to find shelter

Watching her granddaughter sleep in cramped quarters for displaced Palestinians, Sanaa Shraim hopes for a better life for the baby, born into a weeks-long Israeli military raid in the occupied West Bank.

Israeli bulldozers have demolished large areas of the now virtually empty Jenin refugee camp and appear to be carving wide roadways through its once-crowded warren of alleyways, echoing tactics already employed in Gaza.

Associated Press journalists saw a handful of tanks move Sunday into Jenin, long a bastion of armed struggle against Israel.

A month-long Israeli military operation targeting the four major refugee camps of the northern West Bank - Tulkarem, Nur Shams, Jenin and Al-Fara’a – has prompted a wave of displacement the UN says has not been seen since 1967.

Israeli tanks continue their incursion into the vicinity of the Al-Ghabz area near Jenin camp, West Bank.

Israel is carrying out a military operation in the occupied West Bank and more than 40,000 Palestinians have been forced out of their homes, according to Israeli officials and the United Nations. CBS News' Debora Patta reports.