KATHMANDU, Aug. 12 -- Floods and landslides triggered by incessant rainfall since Friday has claimed the lives of over 30 people across different parts of Nepal, government officials said Saturday.

The Ministry of Home Affairs told the media that the deaths mainly occurred in the low-lying areas known as Terai region.

Many others have gone missing in the disaster while thousands of houses have been affected, leading to the displacement of families, according to local media reports.

Electricity has been cut off in some cities in eastern region of the country while the vehicular movement has been disrupted on highways.

The water level in many rivers have crossed the danger mark and changed their course, with a threat to houses and livelihood. Situation has remained tense along the basins of major rivers like Saptakoshi, Kankai, Babai, Rapti and Mohana among others.

The government has directed the security agencies to intensify rescue and relief efforts in the worst-hit areas.

Issuing an urgent notice on Friday night, the Flood Forecasting Division of Department of Hydrology and Meteorology has urged people living along major rivers to remain alert for the next 24 hours.

The Meteorological Forecasting Division has forecast that monsoon would remain active across the country for the next few days.