A congratulatory message on Twitter by Umno vice-president Khaled Nordin to MIC for opting not to join the Perikatan Nasional coalition has elicited an angry reaction from Bersatu's Rais Hussin.

The testy exchange began when Khaled, who is also a former Johor menteri besar, congratulated MIC for taking the decision not to participate in the registration of the PN coalition...