Salim El Koudri, 31, rammed into crowds in the centre of the city in Emilia Romagna, injuring eight people, including four critically.
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The UN chief labelled it a breach of international law.
The angry passenger allegedly bit a flight attendant on a Qantas flight between Melbourne and Dallas.
The International Rescue Committee (IRC) has launched an emergency response to the deadly Ebola outbreak in Central Africa.
