New Delhi, July 02 (ANI): The IMD announced the arrival of monsoon in the national capital. Heavy rainfall lashed Delhi in the wee hours on Saturday after a long span of sweltering heat. IMD official Charan Singh said the intensity of the rainfall is likely to reduce after three to four days. The much awaited showers brought relief to the residents in Ludhiana by bringing down temperatures. Normal life was, however, disrupted as locals had to ply their vehicles through waterlogged roads.