Anxieties about how far the fighting might escalate and Ottawa's recent warnings about the possibility of being unable to evacuate Canadians has many Lebanese Canadians in Toronto and Beirut on edge.
Shouq Alnajjar fled south from her home in Gaza City to Khan Younis when the Israeli airstrikes started. 'Every night, we think we are going to get hit,' she says.
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Across Lebanon, people are bracing for a war the troubled country cannot afford, and thousands from the south are fleeing north to escape the fighting.
Israel is evacuating communities along its border with Lebanon, fearing Hezbollah may join the war alongside Hamas. People who live there describe increasing missile attacks and living in a constant state of alert.