Policia brasileno habria disparado balas de plomo durante protesta cerca de Maracana

A video by The Associated Press shows a Brazilian police officer firing a gun during a protest near Maracanã Stadium. Another man, claiming to be a police officer, also fired shots. Authorities may investigate if the video is confirmed authentic. The protest occurred before the Argentina vs. Bosnia match, with police using tear gas and stun grenades on 200 protesters. The protest was against the World Cup's high costs, highlighting poor conditions in Brazilian schools and hospitals.

¿Qué dijo un vocero de la agencia que supervisa las fuerzas de seguridad en Río sobre el video?

¿Qué medidas tomó la policía durante la protesta?