The Israeli military this weekend deployed tanks to the occupied West Bank for the first time in two decades. In the background of a Gaza ceasefire, Israel has steadily escalated an intense military operation in Palestinian cities in the West Bank,

By Raneen Sawafta and James MackenzieJENIN, West Bank/JERUSALEM (Reuters) -Israel sent tanks into the occupied West Bank for the first time in more than 20 years on Sunday as it ordered the military to prepare for an "extended stay" to fight Palestinian militant groups in the area's refugee camps.

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.