ROME, Nov 8 (Reuters) - Italy's foreign minister condemned on Wednesday the killing of 18 civilians in northern Gaza by Israeli artillery shells as "unacceptable" and called for an urgent international initiative to stop the violence. "This morning 18 people were massacred ... an escalation of violence I think is unacceptable," Foreign Minister Massimo D'Alema told reporters. "I think that now an international initiative to unblock the Palestinian situation is essential."
