Floor collapse interrupts 15th birthday party in Belém The Civil Police began interviewing witnesses to investigate the accident at an event house that left people injured in Belém during a 15th birthday party, when the floor of the venue collapsed. As of this Wednesday (8), eight people had given testimony. Also this Wednesday, the last person admitted was discharged from hospital: the woman received 30 stitches in her head. A video shows the moment the birthday girl is on a lit floor when part of the floor collapses. People fell to the lower area - (watch the video above). The collapse occurred in the early hours of Sunday (5). The event house was inspected by the Military Fire Department. According to the corporation, "the establishment has outstanding issues in preventing and combating fire and panic, provided for in legislation and subject to fines." However, when questioned by g1, the firefighters did not say whether or not the place had authorization to operate. According to the Civil Police, investigations must be carried out to assist in the investigations. The owner of the establishment was at the Consumer Police Station (DECON), which is investigating the case, for clarification and to present documents. ? Follow the g1 Pará channel on WhatsApp Event house is closed: 'dream went down the drain', says mother Young man gets birthday from neighbors after floor collapses at 15th birthday party in Belém According to the lawyer for the debutante's family, the people who were injured should be sent for a criminal examination this week. Also according to lawyer Victor Guerreiro, a meeting was held with the establishment to cover the costs of the victims' medical expenses. "Once the medical emergencies are resolved, we will sit down again to discuss the costs of the party and compensation," he said. There were around 230 guests at the party, including all of the family's neighbors. Almost 20 people were injured or suffered abrasions and at least 11 needed to be rescued. Some had fractures and dislocations. Eight victims give statements about the collapse of a 15th birthday party in Belém The party on Saturday night (6) had been planned for two years, according to Paula Negrão, mother of the birthday girl. The moment she saw the injured guests, the woman passed out in shock and also needed medical attention. One of the family's neighbors recalls what happened: "It was like a lid, then it collapsed and we fell down there, a lot of people fell. When I got up, my foot was bleeding a lot. It was a moment that will remain memorable, I tried to sleep and I saw it in my mind", recalls Marilia Ferreira, one of the guests who was injured. Floor of event house collapses during 15th birthday party and leaves 11 injured in Belém TV Liberal New party After having her 15th birthday celebration interrupted, the birthday girl was given a new party on Sunday night (6) by her family and neighbors. The moment was recorded on video by the community (see below). In the images, the group celebrates the arrival of the honoree, with screams and applause as the teenager approaches, excited. The new party was held on the street where the family lives. Young man wins celebration after floor of event house collapses at 15th birthday party The place was closed after the floor collapsed. The establishment where the floor fell operates in a historic house on Rua Siqueira Mendes, close to Casa das Onze Janelas and Complexo Feliz Lusitânia. In addition to the façade on land, the rear part of the property is built on stilts, facing the bay. 15th birthday party is interrupted by floor collapse in Belém. Reproduction / TV Liberal VIDEOS: see all the news from Pará Read the latest news from the state on g1 Pará