Nagpur, Oct 19 (UNI) Maharashtra Chief Minister Devendra Fadnavis today assured Bollywood actor Tiger Shroff of adequate security following an alleged firing incident in Mumbai, asserting that the police were working to identify and arrest those responsible at the earliest. Addressing a press conference here, he said he had spoken to the actor and assured him that all necessary security measures would be taken, saying that there was no reason for him to feel threatened. Describing the perpetrators as 'cowards' who operate from concealed locations and issue threats through communication channels, the Chief Minister said the authorities took every threat…