The Delhi unit of BJP has sent a defamation notice to Aam Aadmi Party (AAP) leader and minister Atishi after she alleged that the BJP approached her with a request to switch over. Delhi BJP president Virendra Sachdeva told the media today that they have sent the notice and demanded a public apology from Ms Atishi. "Atishi failed to provide evidence of who approached her, how and when. The AAP is undergoing a crisis in Delhi, which is why they are making such baseless allegations out of frustration. But we will not let her get away with this," he said.