The body of Mike Gagnon, 37, has been recovered after his car ended up in a surging river in the eastern Gaspé region Monday.
The search continues for a two-year-old girl who was also in the vehicle.
Sûreté du Québec (SQ) spokesperson Claude Doiron confirmed divers are on the scene.
The pair, along with the toddler’s mother, were trying to drive across a non-passable stretch of road when their vehicle was pushed into the river and sank.
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Quebec provincial police say the child’s mother managed to swim to safety.
Police have issued a warning for Quebec residents to stay away from water-covered roads, which they say are very dangerous.
Quebec’s public security minister says flood levels are gradually dropping, particularly in the western part of the province.
Martin Coiteux says things are expected to get back to normal only at the end of the month.
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Coiteux told a news conference Tuesday morning that Quebecers must be realistic and realize things will not improve overnight.
So far, the heavy rains and melting snowpack across Quebec have flooded 2,733 residences, forcing the evacuation of 1,940 people in 171 municipalities.