Officials in Montreal say six deaths are linked directly to days of hot weather in the region Health officials say those who died fit the profile of high risk: They had chronic illness, mental-health problems, lived alone or didn't have air conditioning There have also been more calls for ambulances in the city in recent days Officials say they don't want a repeat of 2010, when more than 100 people died after intense hot weather The hot, steamy weather has enveloped much of Central and Eastern Canada in the last days of June and first week of July Humidex readings in the region have read close to 40 C