Arvind Kejriwal has blamed the Haryana and Punjab governments for rising pollution levels in Delhi and urged school students to write to "Captain uncle and Khattar uncle", referring to Captain Amarinder Singh and Manohar Lal Khattar, Chief Ministers of Punjab and Haryana, respectively. "Please write letters to Captain uncle and Khattar uncle and say, 'Please think about our health'," Mr Kejriwal told children today, while distributing breathing masks.