Chandigarh, June 30 -- With 119.5 mm rain recorded till 8.30 am on Sunday, Chandigarh saw its wettest June day since 1973 even as waterlogging, road cave-ins and tree collapses brought the tricity to its knees.

India Meteorological Department (IMD) officials said chances of heavy rain will continue over the next two days and issued an orange alert for Monday.

As per the IMD, which started keeping records for the city in 1954, Chandigarh's wettest day ever was on June 18, 1974, when 146.4 mm rain was recorded.

While June marks the onset of monsoon, it rarely sees such a downpour, which is more common in July, August and September. IMD Chandigarh director Surender Paul said there were two major reasons behind it. "When the monsoon system...