HAMILTON, Canada At least 322 children have been killed and 609 injured in the Gaza Strip over the past 10 days following the breakdown of the ceasefire between Israel and Hamas, the UN Children's Fund (UNICEF) said Monday. "The ceasefire in Gaza provided a desperately needed lifeline for Gaza’s children and hope for a path to recovery," said UNICEF Executive Director Catherine Russell. "But children have again been plunged into a cycle of deadly violence and deprivation. All parties must