A massive rainstorm hit several places in Nepal on Sunday evening, killing at least 25 people and injuring 400 others, officials said.

According to District Police Office, Parsa, the number of casualties may rise as more details were awaited.

At least 25 people have been killed and 400 others injured, the report said.

The storm hit many villages in the Bara district, situated about 128 kilometers south of Kathmandu.

Prime Minister K P Sharma Oli expressed sadness over the loss of lives and extended heartfelt condolences to the bereaved families.

Oli said on Twitter that he received a report of 25 people killed and 400 injured.

According to the National Emergency Operation Centre, the injured are undergoing treatment at various health services.

Security personnel have been deployed in the affected areas to carry out rescue and relief operations.

Prime Minister's Chief Advisor Bishnu Rimal said that army personnel have been mobilised.

"Two battalions has been mobilised immediately there, here in Mid Air Base, Katmandu; night vision helicopters are on stand by with rescue team. Our security agencies are waiting for favoural weather conditions (sic)," Rimal was quoted as saying by The Himalayan Times.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)