New Delhi [India], October 22 (ANI): As Delhi grapples with rising air pollution and toxic foam has been visible on the Yamuna River, Bharatiya Janata Party (BJP) national spokesperson Shehzad Poonawalla said that the national capital has become a gas chamber. While speaking to ANI, Poonawalla held former Delhi Chief Minister Arvind Kejriwal responsible for the rise in air pollution in Delhi and said, “Today, once again, the AQI is crossing very hazardous levels in Delhi. It’s 400 plus in some areas. Delhi has become a gas chamber and for this Arvind Kejriwal is responsible. Because for ten ye…