New Delhi, Jan. 6 -- Delhi Environment Minister Manjinder Singh Sirsa on Tuesday launched a sharp attack on Aam Aadmi Party (AAP) MLAs who wore gas masks during a protest against rising air pollution in the national capital, alleging that the opposition was attempting to hide its failures of the past 11 years.

Reacting to the demonstration, Sirsa said that AAP legislators were "hiding their faces" and accused the party of subjecting Delhi to over a decade of polluted air during its tenure.

He further alleged that while the Delhi government had invited the opposition for a debate on air pollution, AAP leaders chose to stage protests instead of participating in constructive discussions.

"They (AAP leaders, including Atishi) were hiding t...