India Against Corruption (IAC) leader Arvind Kejriwal yesterday announced an indefinite agitation to demand the resignation and arrest of Law Minister Salman Khurshid over alleged financial irregularities in his NGO even as the minister’s wife Louise rubbished the allegations and the Congress came to his defence.

Kejriwal, who was arrested and detained, along with 150 supporters, at the Rajiv Gandhi Stadium in Bawana, was released on Friday night, but the activist and his supporters refused to leave the stadium till yesterday morning.