Tens of thousands of people gathered in Toronto on Sunday for an annual fundraising walk in solidarity with Israel — an event participants said is particularly needed this year due to rising antisemitism.The Jewish community has felt increasingly isolated after the Hamas-led attacks on Israel on Oct. 7, 2023, and a dramatic increase in antisemitism in Canada since then, said Sara Lefton, chief development officer for the UJA Federation of Greater Toronto, which hosts the walk."We want our neighb