Manipur People's Party (MPP) today demanded the government to investigate the findings of human skeletal remains from Tombisana High School compound within a week. In a press meet held at its Head Office at Pologround, MPP President N Sovakiran said the recovery of a mass grave in a restricted place, which is very close to Manipur Assembly Complex is mysterious. For a long time the place was used as CRPF camp and later by Manipur Police. MPP alleged that the act of killing must have done by the security forces. Sovakiran also said the killing must have carried out under the instruction of Research and Analysis Wing (RAW) and later dumped at the place.  MPP further said it would approach National Human Rights Commission and carry out intense agitation if govt fails to bring out the truth within a week.