Lucknow: A special CBI court here has issued summons to former Uttar Pradesh chief minister and BJP leader Kalyan Singh, directing him to appear before it on September 27 in connection with the Babri Masjid demolition case.

The court is conducting the trial of accused persons, including BJP leaders L K Advani, M M Joshi, Uma Bharti and others for allegedly conspiring to demolish the mosque at the disputed Ram Janmbhoomi-Babri Masjid site in Ayodhya.