At least four people have been killed in landslides in southern Switzerland and northern Italy following days of torrential rain, the BBC reports.
Two women died when a wall of mud destroyed a house near the Swiss town of Lugano on Sunday.
Over the border, a pensioner and his granddaughter were killed when a mudslide engulfed their home.
The heavy rain is expected to continue across the region, and both countries have issued major flood alerts.
The levels of lakes Lugano and Maggiore are already dangerously high.