Senior Vishwa Hindu Parishad leader Acharya Giriraj Kishore was on Thursday admitted to the All India Institute of Medical Sciences after he complained of a heart problem in Lucknow.
Also see: Over 400 VHP activists arrested in Ayodhya
He was flown to Delhi and admitted to the cardiology department at the Institute for primary investigations, hospital sources said.
The VHP leader was on Wednesday arrested in Lucknow, while heading towards Ayodhya to participate in a campaign on Ram temple there.