Security forces used tear gas and water cannons to disperse a crowd of thousands, mostly young men, gathered to try to cross the border.
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Despite the clashes, hundreds of migrants continued to flood into the area, climbing the steep hills overlooking the border crossing.
Last night, young Moroccans and several migrants from Sub-Saharan Africa set police cars and taxis on fire, AFP saw.
Officials in Ceuta, a Spanish enclave on the North African coast, said that during the recent influx of migrants, 60,000 people managed to enter the territory.
On the Moroccan side, AFP journalists saw debris left after stone throwing, burned cars, and dozens of young men wrapped around the border.
According to Spanish officials, Rabat and Madrid are negotiating measures to return recently arrived individuals.
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