By Ali Sawafta JENIN, West Bank (Reuters) -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,

Israel launched a major military incursion in the northern West Bank in August, which it called “Operation Summer Camps.” It sent armored vehicles into the cities of Jenin and Tulkarem, severing water and electricity and leading Palestinians to ration food, residents told CNN.

Israel stationed tanks outside Jenin refugee camp on Monday (February 24), one day after tanks were sent into the Israeli-occupied West Bank for the first time in more than 20 years.

Israeli bulldozers have leveled vast sections of the Jenin refugee camp, carving wide roadways through its dense, once-crowded alleys, echoing the

Israel’s military sent tanks into the occupied West Bank for the first time in more than two decades as it expanded operations in the territory on Sunday in a move decried by Palestinian authorities as an escalation of aggression.

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.