New Delhi, July 9 -- Monsoon showers have wreaked havoc in parts of Delhi and Mumbai. In the national capital, incessant rainfall left several parts of the city waterlogged, buildings collapsed, and traffic chaos stranded commuters.

In Mumbai, train services were affected, trees were uprooted, streets were waterlogged, and water stock in seven reservoirs increased by 7.23 per cent as incessant rain continued to batter the financial capital, bringing mundane life to a standstill.

While Delhi started receiving its first typical monsoon rains only this week, Mumbai has been witnessing heavy rainfall since around July 1, and the deluge continues.

This year, the Southwest Monsoon arrived late, advancing into Mumbai on June 23, as against th...