By Brad Brooks, Phil Stewart, Idrees Ali and Dietrich Knauth LOS ANGELES (Reuters) -Hundreds of U.S. Marines arrived in the Los Angeles area on Tuesday under orders from President Donald Trump, as the city's mayor declared a curfew for parts of the downtown area and police arrested 197 people in a fifth day of street protests.

President Donald Trump warned that the use of the military in response to protests against his illegal immigration crackdown won't be limited to just Los Angeles.

Mayor Karen Bass of Los Angeles announced at a news conference on Tuesday evening that the city will begin imposing a curfew in a small section of downtown Los Angeles as part of its strategy to quell protests that were entering a fifth night.

Tensions flared in Los Angeles late Monday. On Tuesday, teams worked to scrub away, cover up or fade out protesters' graffiti.

President Donald Trump has deployed 4,000 National Guardsmen and 700 Marines to LA. But California Gov. Gavin Newsom and California Attorney General Rob Bonta are suing the Trump administration, saying they unlawfully "trampled over" California’s sovereignty when they federalized the California National Guard.

With the political and legal battle heating up over the deployment of military forces to Los Angeles in response to protests spurred by amped-up immigration sweeps, officials braced themselves for

Regional Transportation District bus and light rail lines through Denver’s Civic Center were detoured or suspended Tuesday night because of planned protests downtown, agency officials said.

It's been five days since anti-ICE demonstrations erupted in Los Angeles, some turning violent between protesters and law enforcement officers, prompting President Trump to deploy National Guard troops and hundreds of Marines.

Los Angeles Mayor Karen Bass declared a local emergency and issued a curfew for downtown L.A., from 8 p.m. to 6 a.m., in an effort to “stop the vandalism.” Bass said several businesses have been affected by the looting and urged individuals to avoid the area.

Unlike the 1992 riots, protests have mainly been peaceful and been confined to a roughly five-block stretch of downtown LA, a tiny patch in the sprawling city of nearly 4 million people. No one has died. There’s been vandalism and some cars set on fire but no homes or buildings have burned.