The attack followed a deadly night in Khan Younis, where more than 50 people were killed in a series of airstrikes, according to hospital officials.
Footage showed multiple casualties being taken to Nasser Hospital, with the morgue confirming 54 deaths.
In Jabaliya, a video released by the Wafa news agency showed residents queuing for food as Israel's blockade continues to restrict aid since March.
The UN has warned that Gaza is facing unprecedented hunger, urging an immediate ceasefire and the lifting of the siege.
