In a press conference at the Parliament lobby on Thursday, Bukit Gelugor MP and DAP national legal bureau chairman Ramkarpal Singh said that they have sent out a letter of demand to Jaringan Melayu Malaysia (JMM) president Datuk Azwanddin Hamzah to apologise for making various defamatory allegations against four DAP MPs in a speech, November last year. <br /><br />The four MPs are Lim Guan Eng, Lim Kit Siang, Tony Pua and Liew Chin Tong. Ramkarpal said if Azwanddin did not respond within seven days, DAP will be filing a lawsuit against the latter.