A rescuer helps a wounded person after the collapse of the top of an allegorical car of the samba school Unidos da Tijuca during the Carnival parade as it advanced through the Marques de Sapucai Avenue, in downtown Rio de Janeiro, Brazil, on Feb. 28, 2017. At least 12 people were injured in the accident. The accident happened to the second allegorical car of the samba school Unidos da Tijuca, that was themed as the Carnival of New Orleans. Police are investigating the causes of the accident, according to local press reports. (Xinhua/Alex Ribeiro/AGIF/AGENCIA ESTADO)
