By Raneen Sawafta and James Mackenzie JENIN, 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.

Israeli tanks have moved into Jenin in the occupied West Bank, shortly after the defense minister said troops will remain “for the coming year” in parts of the Palestinian territory. Associated Press journalists saw a handful of tanks move Sunday into Jenin,

Israel launched a fresh offensive in the Occupied West Bank on 21 January - Operation Iron Wall. Israeli tanks have moved into the Occupied West Bank shortly after the defence minister declared an escalation of its operation - ordering troops to remain there "for the coming year".