Associated Press Published 8:48 AM EDT Aug 20, 2019 Rio de Janeiro – Brazilian television is showing an armed hostage-taker leaving a bus with dozens of passengers on board and being encircled by police after a standoff in Rio de Janeiro. It was unclear if he was injured or dead. Brazilian police say the man had threatened to set fire to the vehicle which had 37 people on board. The hostage taking started at about 5:30 a.m. Tuesday on a busy bridge linking the suburb of Sao Gonçalo to downtown Rio de Janeiro. Police said they told authorities the man had spilled gasoline in the bus and threatened to set it on fire. Officials said the man has identified himself as a policeman but this has not been confirmed. The man had not made any particular demands and appears to have “psychological problems,” a spokesperson for the traffic police said on TV Globo.