The AAP said on Friday that the BJP-led Centre was concerned about the party's partnership with the Congress for the Lok Sabha elections and was using the CBI to arrest Delhi Chief Minister Arvind Kejriwal, news agency PTI reported. The Central Bureau of Investigation (CBI) and the Bharatiya Janata Party (BJP) had no immediate reply to the allegations. Addressing a press conference, Delhi cabinet minister Saurabh Bharadwaj stated that as soon as…