In a third such incident in a span of five days, a mother-son duo attempted to set them on fire near the State Assembly on Saturday to draw the Government's attention amid alleged police inaction.Sulochana Das and her son Subrat of Kujang in Jagatsinghpur district attempted self-immolation. Security personnel immediately intervened and prevented them from lighting a matchstick after pouring kerosene on them.Sulochana said she tried to die by suicide after being unable to get justice from the Jagatsinghpur police.