Israel has restarted ground operations in the northern Gaza Strip.
Also, at least 25 people were killed in airstrikes in the southern city of Khan Younis on Friday.
Israel said this is a renewed military campaign targeted at pressuring Hamas into releasing Israeli hostages.
More than 1,250 Palestinians have been killed in the territory in Israeli bombings since 18 March.
At least 100 people were killed on Thursday alone in airstrikes that hit three schools turned shelters.
The Israel Defense Forces (IDF) said the targets were Hamas control centres.
The United Nations said that 280,000 people have been forced to leave their homes or shelters since Israel ended a two-month-old ceasefire with Hamas and returned to war.
Isreali ground troops have since re-entered the strip’s southernmost city of Rafah and the Netzarim corridor that cuts off Gaza City from the rest of the territory.
The IDF said on Friday that troops were advancing in Shuja’iya, a northern suburb of Gaza City.
Israeli officials vowed this week to seize large swathes of the strip as security zones and establish a new military corridor between Rafah and Khan Younis, exacerbating Palestinian fears of permanent displacement and annexation.
Friday also saw escalations on other fronts in the regional conflagration set in motion by Hamas’s October 2023 attack on southern Israel.
