Shimla, June 30 -- The Indian Meteorological Department (IMD) issued a red alert warning for heavy to very heavy rain in four districts of Himachal Pradesh, including Solan, Sirmour, Mandi and Kangra districts.

According to a media report and a notification issued by Mandi district administration, all schools would remain closed in red alert-affected districts today.

Four districts have had incessant rainfall since last night, and water supply, roads, communication and transport are paralysed in these districts.

After keeping sluggish vehicular movement on the Shimla-Kalka road was restored at Chakimorh near Dharmpar in Solan district.

Water levels in Parvati-II and III Dam, the Larji project in Kullu district, and the Sainj project are...