Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Islamic State militants in Libya have vowed to attack Europe. Meanwhile, boatloads of migrants flee the collapsing state for European shores. Could the Mediterranean migration mask an influx of militants?

Militants, migrants and the Med: Europe's Libya problem