New Delhi, Dec. 23 -- Delhi Lieutenant Governor VK Saxena on Tuesday wrote a 15-page letter to former Chief Minister Arvind Kejriwal, holding him and his Aam Aadmi Party (AAP)-led government responsible for Delhi's deteriorating air quality and lack of new infrastructure and facilities.

The AQI reading soared to 413 at around 8 am.

According to the Central Pollution Control Board (CPCB), air quality in certain areas of the National Capital Region (NCR) spiked to 'severe' levels. Multiple parts of the city continued to witness alarmingly high pollution

"In the 11 years you have been being Chief Minister, you have finished each and every norm of political, constitutional, and democratic institutions," LG Saxena wrote in the letter.

Writ...