In a fresh setback to the Aam Aadmi Party (AAP) ahead of Delhi Assembly elections, the ruling party’s Youth Wing State Vice President Kapil Nagar joined the Bharatiya Janata Party (BJP) on Sunday.

The AAP and the BJP indulged in a blame game on Sunday, with the former claiming that the “attackers” involved in an alleged assault on party supremo Arvind Kejriwal were “criminals” and the saffron ...