New Delhi, Aug. 22 -- : Senior Congress leader P Chidambaram, as then union home minister had participated in the inauguration of the new Central Bureau of Investigation (CBI) headquarters in Delhi's Lodhi Road area in 2011- the same building where he spent Wednesday night after being arrested by the Central probe agency.

The Congress leader, who served as Union Home Minister during November 2008 to July 2012 in the UPA government, was one of the key guests at the inauguration event of CBI headquarters, held on June 30, 2011, in the presence of then Prime Minister Manmohan Singh.

Chidambaram, one of the key ministers during ten years of UPA regime, was taken to headquarters of the probe agency after CBI officials scaled the boundary walls...