OTTAWA — The family of the only Canadian believed to be held by Hamas joined a Monday rallyon Parliament Hill, where hundreds calledfor an end to antisemitic violence in Canada and for solidarity with Israel. "There are a lot of innocent people who are suffering," said Larry Weinstein, the brother of missing Canadian woman Judih Weinstein Haggai. Weinstein Haggai went missing on Oct. 7, when Hamas militants from the Gaza Strip launched attacks on Israeli soil that killed an estimated 1,200 people. That's the day Raquel Look's son, Alexandre, who lived in Montreal, was killed at a music festival. "Our...