Tensions spike in Rio de Janeiro ahead of Copa Libertadores soccer final and after Copacabana brawl

Argentina’s Boca Juniors player Nicolas Valentini trains with his team Friday in Rio de Janeiro, Brazil. Boca Juniors will face Brazil’s Fluminense for the final Copa Libertadores championship soccer match on Nov. 4. (AP Photo/Bruna Prado)

Argentina's Boca Juniors player Dario Benedetto, center, trains with his team Friday in Rio de Janeiro, Brazil. Boca Juniors will face Brazil's Fluminense for the final Copa Libertadores championship soccer match on Nov. 4. (AP Photo/Bruna Prado)

RIO DE JANEIRO — Tensions remained high Friday in Rio de Janeiro on the eve of the Copa Libertadores soccer final, following a brawl between fan clubs and a fierce police response on the Copacabana beach the previous day.