Tonight we have the second of our exclusive online broadcasts of the Iranian presidential debates. This time featuring President Mahmoud Ahmadinejad and one of his challengers in the forthcoming election, Mehdi Karroubi.

You can read more on the elections on the Press TV site here

The debate will be translated live and the chat room on the Press TV channel on the Livestation player will be available for viewers who want to share their views. We are hoping to have someone from Press TV in the room as well.

Join the conversation tonight, Saturday 6 June, at 1800GMT (2130 Tehran time) on the Livestation player on Press TV or watch on the website.