 Litigation was filed by environmental groups known as WAHLI, challenging the legality of this concession and contending it was granted in an area of protected forest and further violated a moratorium on peatlands conversion.On 27 March 2012, on the eve of the WAHLI case being heard in court, over seventy illegally set fires mysteriously broke out in this protected Tripa swamp area, including fires set in the oil palm concession granted by Irwandi to PT.Kallista Alam.