Organisers of football's Gold Cup say they remain in "close and ongoing communication with local authorities regarding the evolving situation" in Los Angeles before the tournament's opening match between Mexico and Dominican Republic on Saturday.
Concacaf - the governing body for North and Central America and the Caribbean - is preparing for the game at the Sofi Stadium.
Protests in LA have entered a fifth day, with hundreds of arrests over US President Donald Trump's immigration raids.
Hispanics make up a larger share of the population than any other ethnic background in the city.
Immigrants - specifically those from just south in Mexico - are a core part of the history and culture in LA.
On Sunday, the city is also due to host the first of six Club World Cup matches to be played at the Rose Bowl, Pasadena over the next fortnight, with Paris St-Germain facing Atletico Madrid.
Fans association Football Supporters Europe (FSE) told BBC Sport it is "deeply concerned".
Concacaf said: "The safety and wellbeing of all participants, fans, and stakeholders is the Confederation's highest priority.
"We will continue to actively monitor developments as we work towards delivering a world-class tournament that highlights the best of our sport in a safe, inclusive, and enjoyable environment for all."
The Gold Cup is Concacaf's top competition for national teams.
The Mexico team has already changed its hotel in LA because of safety concerns amid the disturbances, according to the Associated Press.
LA mayor Karen Bass declared an overnight curfew within a relatively small area of the city's downtown district, saying businesses were being vandalised and looted.
