New Delhi, May 1 -- The Supreme Court on Tuesday posed a series of probing questions to the Enforcement Directorate (ED) while hearing Arvind Kejriwal's petition against his arrest in the Delhi excise policy case - and even redirected to the agency a question by his counsel about the arrest coming close to the Lok Sabha elections - as it underlined the importance of liberty and highlighted concerns over the timing and procedural aspects of the Delhi chief minister's arrest....