The claim is true because multiple reliable sources, including official statements from the International Committee of the Red Cross (ICRC) and reputable news outlets, confirm that the ICRC has been forced to temporarily suspend operations in Gaza City due to escalating hostilities and Israeli military actions.
The International Committee of the Red Cross have announced that they must stop operations in Gaza City, due to Israeli aggression.

Israel and the occupied territories: Hostilities between Gaza and Israel must stop and much-needed humanitarian activities must start now. - International Committee of the Red Cross
Source: icrc.org
Key Evidence
The ICRC's official news release states it was forced to temporarily suspend operations in Gaza City due to escalating hostilities.
icrc.orgicrc.orgIsrael and the occupied territories: ICRC forced to temporarily suspend...
The Guardian confirms the suspension and relocation of staff amid intensified Israeli military actions.
theguardian.comtheguardian.comRed Cross forced to suspend work in Gaza City as Israeli offensive intensifies –...
The ICRC has publicly called for an end to hostilities and highlighted the humanitarian crisis caused by ongoing violence.
icrc.orgicrc.orgIsrael and the occupied territories: Hostilities between Gaza and Israel must...
icrc.orgicrc.orgIsrael and the occupied territories: ICRC alarmed by intensification of Gaza...
What the Evidence Shows
The International Committee of the Red Cross (ICRC) has publicly announced that it was compelled to temporarily suspend its operations in Gaza City amid intensifying military hostilities. According to an official ICRC news release, the escalation of violence and the deteriorating security situation have made it impossible for the organization to continue its humanitarian activities safely in Gaza City.icrc.orgicrc.orgIsrael and the occupied territories: ICRC forced to temporarily suspend...
The Guardian corroborates this, reporting that the ICRC suspended work at its Gaza City office and relocated staff due to the intensification of Israeli military operations. The ICRC has repeatedly called for cessation of hostilities and unimpeded humanitarian access, emphasizing Israel's obligations as an occupying power to ensure civilians' basic needs are met. Additional sources highlight the severe humanitarian crisis in Gaza, including damage to healthcare infrastructure and displacement of civilians.icrc.orgicrc.orgIsrael and the occupied territories: Hostilities between Gaza and Israel must...
theguardian.comtheguardian.comRed Cross forced to suspend work in Gaza City as Israeli offensive intensifies –...+3 more
While some opinion pieces critique the ICRC's role or neutrality, these do not dispute the factual suspension of operations. Overall, the evidence clearly supports that the ICRC had to halt its Gaza City operations because of Israeli aggression and escalating conflict.law4palestine.orglaw4palestine.orgThe ICRC failure in Gaza: Navigating Neutrality or Facilitating Inaction