A fire ravaged 21 house at densely-populated Pudak Setegal village in Indonesia\'s South Kalimantan province on Saturday night, leaving 22 families displaced. \"The number of houses burnt in the fire is 21. The cause of the fire is still being investigated,\" (Antara) news agency quoted a local resident as saying Sunday. The source of the fire was still unknown, he said. He said the fire might inflict billions of rupiahs in losses as many residents could not save their belongings when the fire broke out. No fatalities or injuries were reported in the fire. Some of the displaced persons are taking refuge at their neighbors\' houses while others are being sheltered at tents.