News highlights: police clash with refugees in Rome, boats blocked in Libya, floods in Sudan

In this week’s news highlights, the police in Rome use a water cannon to disperse protesting refugees; two opinion articles state that the EU’s migration policy may cause dehumanising conditions in Greek camps and more deaths in the Sahara desert; an armed group is stopping boats from leaving in Libya; Eritrea gets a new EU head of delegation; Eritrea’s biggest mine sees its production life cut in half; and flash floods cause damage in Sudan.