Imphal, 25 October 2016 ( Evening News ) : Deputy chief minister Gaikhangam has categorically stated that the Centre must not remained silent when NSCN-IM has broken the ceasefire ground rule by ambushing CM in Ukhrul yesterday. Speaking as Chief Guest at the golden jubilee celebration of Samurou Keithel today Gaikhangam said till now no definite response has came from the Central Govt.  He however expressed confidence that the Centre will take necessary action against the outfit. The deputy chief minister pointed the finger of suspicion at Tangkhul Naga Long for the incident as they have called for boycott of the chief minister's visit. He said it would be better for TNL to apologise to the public instead of making fabricated statement on the incident. Refuting the allegations of TNL, he said the Govt will never ask to fire at the police personnels and there is no lathode bomb in the police arsenal. He also said the govt does not take the incident lightly and will take necessary action. It may be recalled that NSCN(IM) has denied involvement in the ambush while UNC has accused the state govt of stage managing the incident.