Israel said it recaptured an area from which it withdrew in the recent cease-fire, in the most significant ground operation since the truce with Hamas collapsed.

The Israeli army announced on Wednesday that it has begun a "precise" ground operation in the Gaza Strip. Its goal is to expand the buffer zone and regain control over part of the Nitzarim corridor. What do you need to know?

Israel's military launched a new ground offensive in Gaza, sending troops into areas they retreated from during a two-month ceasefire. This comes a day after airstrikes killed more than 400 people.