Ceuta migrant crisis explained: Why 60,000 people risked everything to reach Spain

As thousands gathered near the border, Moroccan security forces used batons and tear gas to push back crowdsCeuta came into focus after around 60,000 migrants crossed the border from Morocco into the Spanish enclave on North Africa's Mediterranean coast, across the Strait of Gibraltar, triggering a major humanitarian crisis in which 67 people were killed during the rush and ensuing tensions.Within hours, however, more than 48,000 migrants returned to Morocco, many citing harsh conditions inside Ceuta, according to the Spanish government.In response, Madrid has installed a 500-metre sea barrier along part of Ceuta's coastline in a bid to prevent another mass influx.The sudden influx has raised a key question: What triggered the unprecedented crossing?Moroccan border controls appeared to loo