"The people of Gaza need food, water and medical supplies urgently. I am calling on world leaders to come together to prevent the further slaughter of any innocent souls. Humanity must prevail," he concluded in his message.
Israel has denied responsibility for the strike.
Gaza is already experiencing a dire humanitarian crisis with no electricity, while water, food, fuel and medical supplies are running out.
The conflict began on Oct. 7 when the Palestinian group Hamas initiated Operation Al-Aqsa Flood -- a multi-pronged surprise attack that included a barrage of rocket launches and infiltrations into Israel by land, sea and air.
Hamas said the incursion was in retaliation for the storming of Al-Aqsa Mosque and growing violence by Israeli settlers against Palestinians.
The Israeli military then launched Operation Swords of Iron against Hamas targets in the Gaza Strip.
At least 3,478 Palestinians have been killed in Israeli attacks on Gaza, while more than 1,400 Israelis have been killed since the start of the operation.
