Thousands of migrants crossed overnight from Morocco into Spain's north Africa's Ceuta enclave, a police source said on Friday, as Prime Minister Pedro Sanchez was set to arrive to manage the latest migrant crisis on the border.

Estimates suggest up to 2,000 have entered the Spanish territory in recent days in an attempt to reach Europe.

Spain has deployed military reinforcements to the North African enclave of Ceuta after a massive surge of migrants crossed from Morocco by sea and through border barriers,…