OTTAWA — Canada shifted its long-standing stance at the United Nationsto join international calls for an immediate ceasefire between Israel and Hamas on Tuesday. It marked a departure from years of Canadabacking Israel at the international body, a policythat had come under renewed scrutiny during the latest Israel-Hamas war. The conflict was sparked when Hamas militants killed an estimated 1,200 people and took 240 more hostage in an Oct. 7 attack on Israel. More than 18,000 Palestinians have been killed since then amid Israel's retaliation campaign in the Hamas-controlled Gaza Strip. Here's a look at how Canada has approached its...