The catastrophic flooding has killed more than 900 people, while the number of people unaccounted for has also risen, reaching more than 4,793 on Monday.
"There are too many challenges," said E. Hawadi, a police officer coordinating rescue efforts in the badly affected Nuwakot district.
"There are no roads, they have all been washed away, and many areas are just not accessible," he told AFP.
Floodwaters remained high in some areas. Elsewhere, th…