As the summer brings better weather conditions in the Mediterranean, the number of migrants trying to reach Europe by sea is once again rising. Last year, an agreement between the European Union and Turkey contributed to a significant reduction in arrivals through Greece. This year, Italy is once again becoming the main entry point for migrants, many of whom are from sub-Saharan African countries and use Libya as a transit state in their attempts to reach Italy. According to the United Nations, almost 100,000 migrants reached Europe by sea during the first six months of 2017, and most of them (around 85,000) arrived there through Italy....