Health authorities on the territory described the new attack, which killed around 100 people and injured more than 300, as a massacre, although they warned that these figures are provisional.
A residential building hit on Tuesday was destroyed, as well as a score of neighboring houses, the official news agency Wafa denounced.
Many of the dead and injured were taken to nearby Indonesian and Al-Shifa hospitals, although a large number of people are still under the rubble, according to reports.
Located in the northern region of the coastal enclave, the Jabalia camp is the largest of eight such facilities that exist in Gaza, with a population of 116,000 refugees.
Regional television stations showed footage of large craters in the ground and nearby buildings completely destroyed, while numerous people tried to remove the rubble in search of survivors.
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