MONTREAL—For Fouad Filali, owner of Le Sénateur restaurant in Old Montreal, the families with children who used to visit the historic district have been replaced by young people who sometimes are violent and harass women. Montreal’s iconic neighbourhood has struggled without many tourists since the start of the COVID-19 pandemic, and residents, business owners and workers say the area has become more dangerous—especially at night. They say they hope that as Montreal reopens from COVID-19 restrictions and tourists return, the disorder will end. “It brought a climate of fear,” Filali, who has owned his restaurant for more than 25 years, said in a recent interview about the violence in the district. “Now, I tell my staff when we close (at night), we lock the doors and we don’t open for anyone.” Last September, several people, including a Montreal police officer, were injured in a shootout in the area. In April, …