Washington DC, Aug. 2 -- The US Department of State on Sunday escalated its travel warning for Ceuta, Spain's North African enclave, to Level 3, almost two days after approximately 60,000 migrants entered the enclave from Morocco in a massive regional border breach.

Advising American citizens against visiting Ceuta, the State Department highlighted the escalating instability and urged individuals to "reconsider travel due to unrest."

"The massive and uncontrolled arrival of migrants from Morocco to Ceuta may lead to unpredictable and dangerous security situations. Spain has deployed the Spanish military, Spanish National Police and Guardia Civil as a result of this serious situation," the official advisory stated.

The elevated alert is...