Dharamshala/ Shimla, July 19 -- Spells of heavy rainfall are expected to continue in parts of Himachal Pradesh in coming days, the India Meteorological Department's (IMD) Shimla office said on Friday, and sounded an orange alert of heavy to very heavy rainfall in several districts from July 21 to 23.

After a yellow alert of heavy rainfall on July 20 in four districts, the weather office issued an orange alert of heavy to very heavy rainfall in Mandi, Shimla, Solan and Sirmaur districts on July 21. It will be followed by an orange alert on July 22 in Kangra, Mandi, Shimla, Solan and Sirmaur districts. Moreover, several other districts will be under a yellow alert on July 21 and 22.

During the last 24 hours, the monsoon activity was norma...