Thousands of demonstrators took part in the rally, which was organized by the Moroccan Front in Support of Palestine and Against Normalization movement, which includes political, union and human rights organizations.
The protesters chanted slogans advocating for the protection of civilians in Gaza and the delivery of aid.
Participants condemned the Israeli army's "massacre at Al-Nuseirat camp" in Gaza and other acts of violence against Palestinians.
On Saturday, Israeli forces carried out heavy artillery and air strikes on the refugee camp, killing at least 274 people and wounding nearly 700 others according to local health authorities, resulting in widespread condemnation.
The demonstration proceeded through major streets in Mohammedia before converging in the city center.
The Israeli regime has continued its brutal offensive on Gaza since Oct. 7 despite a UN Security Council resolution demanding an immediate ceasefire.
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More than 37,000 Palestinians have since been killed in Gaza, most of them women and children, and nearly 84,500 others injured, according to local health authorities.
Eight months into the Israeli war, vast tracts of the Gaza Strip lay in ruins amid a crippling blockade of food, clean water and medicine.
Israel stands accused of genocide at the International Court of Justice, whose latest ruling ordered Tel Aviv to immediately halt its operation in the southern city of Rafah, where over a million Palestinians had sought refuge from the war before it was invaded on May 6.
Source: Anadolu Agency