<p>Angry Brazilians protested</a> in front of the National Museum in Rio de Janeiro on Monday, September 3, after a fire gutted the country’s oldest scientific institution the previous day.</p><p>This video, shared on September 3, shows angry protesters gathered in front of the museum.</p><p>Police in riot gear shot tear gas when a small crowd tried to enter the compound, the local media reported</a>.</p><p>The cause of the fire is yet to be determined, but media reports said</a> that the 200-year-old historical building lacked a sprinkler system and had suffered years of financial neglect. Credit: Antonio Ferreira via Storyful</p><br />