Rio de Janeiro: A man was shot dead and seven others were injured here during a fight between rival Brazilian football fans.

Diego Silva dos Santos, 28, was gunned down outside Rio's Olympic Stadium on Sunday when fans clashed before the local derby between Flamengo and Botafogo, reports Xinhua.

Officials had expressed concerns before the match about safety amid a strike by some sections of Rio's police force.

Flamengo won the Carioca championship match 2-1.