Israel vowed Thursday to press ahead with its offensive in Gaza, as Prime Minister Benjamin Netanyahu said his country’s military would demolish Hamas’ network of tunnels “with or without a cease-fire.”

Netanyahu said he won’t accept any truce that will not allow Israel to achieve its goal of destroying the tunnel network it says is used to carry out attacks inside Israel. Hamas said it will only lay down arms once Israel and Egypt give guarantees that a seven-year Gaza border blockade will be lifted.

The firm tone from Israel comes as its military called up 16,000 more reservists Thursday, in a move that may signal a widening of its military operation in Gaza. It is not clear how many fighters militant groups in Gaza have at their disposal. […]