Islamabad: Pakistani authorities said Sunday at least 37 people died and 50 others injured due to heavy rains that swept across the country in the past 48 hours, causing several houses to collapse and landslides to block roads, particularly in the northwest. About 23 rain-related deaths were reported in various areas in the Khyber Pakhtunkhwa province bordering Afghanistan since Thursday night, the provincial disaster management authority said in a statement.Islamabad: Pakistani authorities said Sunday at least 37 people died and 50 others injured due to heavy rains that swept across the country in the past 48 hours, causing several houses to collapse and landslides to block roads, particularly in the northwest. About 23 rain-related deaths were reported in various areas in the Khyber Pakhtunkhwa province bordering Afghanistan since Thursday night, the provincial disaster management authority said in a statement.