Israel's military has announced that the ground operation in Gaza would be cancelled if Hamas surrendered "unconditionally" and released all the hostages.
During an interview with Australian ABC Radio, Israeli army spokesman Jonathan Conricus said "if Hamas comes out of its hideouts... and returns all of our 212 hostages and surrender unconditionally, the war will end".
"If they don't do it, we'll probably have to go in and get it done," he added.
Earlier, Israeli Defence Minister Yoav Galant said the ground operation in Gaza must be the last maneuver because after it there will be no Hamas movement.
It is more than two weeks since the conflict in Gaza erupted, with the death toll in Gaza touching 4,651 and injuries at 14,245.


Hong Kong court finds tycoon Jimmy Lai guilty in landmark security trial
Ukraine peace talks stretch into second day at start of pivotal week for Europe
Flash floods kill at least 37 people in Morocco's Safi province
'Hero' who disarmed Bondi gunman recovering after surgery, family says
School bus accident in Colombia kills 17, injures 20